Evidence Based Medicine on FHIR Implementation Guide
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Evidence Based Medicine on FHIR Implementation Guide, published by HL7 International / Clinical Decision Support. This guide is not an authorized publication; it is the continuous build for version 1.0.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/ebm/ and changes regularly. See the Directory of published versions

: 14-day mortality remdesivir vs placebo meta-analysis (ACTT-1, Wang et al, WHO SOLIDARITY) - TTL Representation

Active as of 2021-08-23

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@prefix fhir: <http://hl7.org/fhir/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

# - resource -------------------------------------------------------------------

 a fhir:Evidence ;
  fhir:nodeRole fhir:treeRoot ;
  fhir:id [ fhir:v "55"] ; # 
  fhir:meta [
fhir:versionId [ fhir:v "25" ] ;
fhir:lastUpdated [ fhir:v "2024-04-12T17:05:38.816Z"^^xsd:dateTime ]
  ] ; # 
  fhir:text [
fhir:status [ fhir:v "extensions" ] ;
fhir:div "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative: Evidence</b><a name=\"55\"> </a><a name=\"hc55\"> </a></p><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">ResourceEvidence &quot;55&quot; Version &quot;25&quot; Updated &quot;2024-04-12 17:05:38+0000&quot; </p></div><p><b>url</b>: <code>https://fevir.net/resources/Evidence/55</code></p><p><b>identifier</b>: FEvIR Object Identifier/55, <code>https://gps.health/coka</code>/143</p><p><b>version</b>: 1.0.0-ballot</p><p><b>name</b>: Fourteen_day_mortality_remdesivir_vs_placebo_meta_analysis_ACTT_1_Wang_et_al_WHO_SOLIDARITY</p><p><b>title</b>: 14-day mortality remdesivir vs placebo meta-analysis (ACTT-1, Wang et al, WHO SOLIDARITY)</p><p><b>citeAs</b>: <a href=\"Citation-58.html\">Citation/58: Alper BS, Dehnbostel J, Shahin K. 14-day mortality remdesivir vs placebo meta-analysis (ACTT-1, Wang et al, WHO SOLIDARITY).  Fast Evidence Interoperability Resources (FEvIR) Platform, entry 55, version 4. Created 2020 Dec 17. Revised 2020 Dec 21. Accessed 2021 Mar 13. Computable resource at: https://fevir.net/resources/Evidence/55.</a></p><p><b>status</b>: active</p><p><b>date</b>: 2021-08-23 12:33:29+0000</p><p><b>approvalDate</b>: 2020-12-17</p><p><b>lastReviewDate</b>: 2020-12-21</p><p><b>publisher</b>: HL7 International / Clinical Decision Support</p><p><b>contact</b>: HL7 International / Clinical Decision Support: <a href=\"http://www.hl7.org/Special/committees/dss\">http://www.hl7.org/Special/committees/dss</a></p><p><b>author</b>: Brian S. Alper: , Joanne Dehnbostel: , Khalid Shahin: </p><p><b>copyright</b>: https://creativecommons.org/licenses/by-nc-sa/4.0/</p><h3>RelatedArtifacts</h3><table class=\"grid\"><tr><td style=\"display: none\">-</td><td><b>Type</b></td><td><b>Display</b></td><td><b>Citation</b></td><td><b>Resource</b></td></tr><tr><td style=\"display: none\">*</td><td>citation</td><td>Remdesivir in adults with severe COVID-19: a randomised, double-blind, placebo-controlled, multicentre trial</td><td> </td><td><a href=\"http://computablepublishing.us/fevir/resources/Citation/4932\">http://computablepublishing.us/fevir/resources/Citation/4932</a></td></tr><tr><td style=\"display: none\">*</td><td>citation</td><td>Remdesivir for the Treatment of Covid-19 - Final Report</td><td> </td><td> </td></tr><tr><td style=\"display: none\">*</td><td>citation</td><td>Repurposed Antiviral Drugs for Covid-19 — Interim WHO Solidarity Trial Results</td><td> </td><td> </td></tr><tr><td style=\"display: none\">*</td><td>cite-as</td><td> </td><td>14-day mortality remdesivir vs placebo meta-analysis (ACTT-1, Wang et al, WHO SOLIDARITY) [Database Entry: FHIR Evidence Resource]. Contributors: Brian S. Alper, Joanne Dehnbostel, Khalid Shahin [Authors/Creators]. In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 55. Published 2020-12-17. Revised 2021-08-23. Available at: https://fevir.net/resources/Evidence/55. Computable resource at: https://fevir.net/resources/Evidence/55.</td><td> </td></tr></table><p><b>description</b>: COVID-19 pneumonia remdesivir vs. placebo 14-day mortality (779 events among 6,744 participants, 3 randomized trials)\nRisk ratio 0.85 (95% CI 0.74 to 0.96) in fixed-effect analysis\nRisk ratio 0.81 (95% CI 0.60 to 1.08) in random-effects analysis</p><p><b>assertion</b>: Remdesivir might reduce 14-day mortality, but this finding has not been repeated in a second trial (Low certainty)</p><blockquote><p><b>variableDefinition</b></p><p><b>VariableDefinitionVariableRoleCode</b>: population</p><p><b>description</b>: Adults with COVID-19 pneumonia admitted to hospital</p><p><b>note</b>: population</p><p><b>variableRole</b>: Use extension:variableRoleCode instead. <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/5.5.0/CodeSystem-variable-role.html\">EvidenceVariableRole</a>#population &quot;population&quot;)</span></p><p><b>observed</b>: <a href=\"Group-179799.html\">Group/179799: MetaanalysisStudyGroup: Effect Estimates for Mortality at 14 days from COVID19 Remdesivir vs. Placebo RCTs (Biegel 2020 data 35/541 vs. 61/521) (Wang 2020 data 15/153 vs. 7/78) (SOLIDARITY data 219/2743 vs. 219/2708)</a> &quot;MetaanalysisStudyGroup_Effect_Estimates_for_Mortality_at_14_days_from_COVID19_Remdesivir_vs_Placebo_RCTs&quot;</p><p><b>intended</b>: <a href=\"Group-12714.html\">Group/12714: COVID-19PneumoniaHospitalizedAdult</a> &quot;COVID_19PneumoniaHospitalizedAdult&quot;</p><p><b>directnessMatch</b>: High quality match between observed and intended variable <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (EvidenceDirectness[1.0.0]#high)</span></p></blockquote><blockquote><p><b>variableDefinition</b></p><p><b>VariableDefinitionVariableRoleCode</b>: exposure</p><p><b>description</b>: Remdesivir IV 200 mg once then 100 mg once daily for 9 days</p><p><b>note</b>: exposure</p><p><b>variableRole</b>: Use extension:variableRoleCode instead. <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/5.5.0/CodeSystem-variable-role.html\">EvidenceVariableRole</a>#exposure &quot;exposure&quot;)</span></p><p><b>observed</b>: <a href=\"Group-179783.html\">Group/179783: Remdesivir IV 200 mg once then 100 mg once daily for 9 days</a> &quot;Remdesivir_IV_200_mg_once_then_100_mg_once_daily_for_9_days&quot;</p><p><b>intended</b>: <a href=\"EvidenceVariable-12717.html\">EvidenceVariable/12717: Remdesivir</a> &quot;Remdesivir&quot;</p></blockquote><blockquote><p><b>variableDefinition</b></p><p><b>VariableDefinitionVariableRoleCode</b>: exposure</p><p><b>description</b>: Placebo</p><p><b>note</b>: SOLIDARITY trial did not use placebo in control group, exposure</p><p><b>variableRole</b>: Use extension:variableRoleCode instead. <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/5.5.0/CodeSystem-variable-role.html\">EvidenceVariableRole</a>#exposure &quot;exposure&quot;)</span></p><p><b>observed</b>: <a href=\"EvidenceVariable-12718.html\">EvidenceVariable/12718: Placebo</a> &quot;Placebo&quot;</p><p><b>intended</b>: <a href=\"EvidenceVariable-12718.html\">EvidenceVariable/12718: Placebo</a> &quot;Placebo&quot;</p></blockquote><blockquote><p><b>variableDefinition</b></p><p><b>VariableDefinitionVariableRoleCode</b>: outcome</p><p><b>description</b>: Mortality at 14 days</p><p><b>note</b>: outcome</p><p><b>variableRole</b>: Use extension:variableRoleCode instead. <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/5.5.0/CodeSystem-variable-role.html\">EvidenceVariableRole</a>#measuredVariable &quot;measured variable&quot;)</span></p><p><b>observed</b>: <a href=\"EvidenceVariable-12719.html\">EvidenceVariable/12719: Mortality at 14 days</a> &quot;Mortality14Day&quot;</p><p><b>intended</b>: <a href=\"EvidenceVariable-12719.html\">EvidenceVariable/12719: Mortality at 14 days</a> &quot;Mortality14Day&quot;</p></blockquote><p><b>studyDesign</b>: randomized assignment <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"CodeSystem-181513.html\">Scientific Evidence Code System (SEVCO) -- EXAMPLE VERSION for EBMonFHIR Implementation Guide</a>#SEVCO:01003)</span></p><blockquote><p><b>statistic</b></p><p><b>description</b>: risk ratio 0.85 (95% CI 0.74 to 0.96) in fixed-effect meta-analysis; Test for overall effect Z = 2.52 (p = 0.01); Heterogeneity Chi-squared = 7.33, df = 2 (p 0.03), I-squared = 73%</p><p><b>statisticType</b>: Relative Risk <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (StatisticStatisticType[0.1.0]#C93152)</span></p><p><b>quantity</b>: 0.85</p><p><b>numberOfEvents</b>: 779</p><p><b>numberAffected</b>: 779</p><h3>SampleSizes</h3><table class=\"grid\"><tr><td style=\"display: none\">-</td><td><b>NumberOfStudies</b></td><td><b>NumberOfParticipants</b></td><td><b>KnownDataCount</b></td></tr><tr><td style=\"display: none\">*</td><td>3</td><td>6774</td><td>6744</td></tr></table><blockquote><p><b>attributeEstimate</b></p><p><b>type</b>: Confidence interval <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/5.5.0/CodeSystem-attribute-estimate-type.html\">StatisticAttribute Estimate Type</a>#C53324)</span></p><p><b>level</b>: 0.95</p><p><b>range</b>: 0.74-0.96</p></blockquote><blockquote><p><b>attributeEstimate</b></p><p><b>type</b>: Z-score <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"CodeSystem-181513.html\">Scientific Evidence Code System (SEVCO) -- EXAMPLE VERSION for EBMonFHIR Implementation Guide</a>#TBD:0000077 &quot;P-value&quot;)</span></p><p><b>quantity</b>: 2.52</p></blockquote><blockquote><p><b>attributeEstimate</b></p><p><b>type</b>: P-value <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/5.5.0/CodeSystem-attribute-estimate-type.html\">StatisticAttribute Estimate Type</a>#C44185)</span></p><p><b>quantity</b>: 0.01</p></blockquote><blockquote><p><b>attributeEstimate</b></p><p><b>type</b>: I-squared <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/5.5.0/CodeSystem-attribute-estimate-type.html\">StatisticAttribute Estimate Type</a>#0000420)</span></p><p><b>quantity</b>: 0.73</p></blockquote><blockquote><p><b>attributeEstimate</b></p><p><b>type</b>: Cochran's Q statistic <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/5.5.0/CodeSystem-attribute-estimate-type.html\">StatisticAttribute Estimate Type</a>#0000419)</span></p><p><b>quantity</b>: 7.33</p><h3>AttributeEstimates</h3><table class=\"grid\"><tr><td style=\"display: none\">-</td><td><b>Type</b></td><td><b>Quantity</b></td></tr><tr><td style=\"display: none\">*</td><td>degrees of freedom <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"CodeSystem-181513.html\">Scientific Evidence Code System (SEVCO) -- EXAMPLE VERSION for EBMonFHIR Implementation Guide</a>#STATO:0000069 &quot;Degrees of Freedom&quot;)</span></td><td>2</td></tr><tr><td style=\"display: none\">*</td><td>P-value <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/5.5.0/CodeSystem-attribute-estimate-type.html\">StatisticAttribute Estimate Type</a>#C44185)</span></td><td>0.03</td></tr></table></blockquote><blockquote><p><b>modelCharacteristic</b></p><p><b>StatisticModelApplied</b>: true</p><p><b>code</b>: Fixed-effects <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://hl7.org/fhir/R5/codesystem-statistic-model-code.html\">Statistic Model Code</a>#effectsFixed)</span></p></blockquote><blockquote><p><b>modelCharacteristic</b></p><p><b>StatisticModelApplied</b>: true</p><p><b>code</b>: Meta-analysis <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://hl7.org/fhir/R5/codesystem-statistic-model-code.html\">Statistic Model Code</a>#metaAnalysis)</span></p></blockquote></blockquote><blockquote><p><b>statistic</b></p><p><b>description</b>: risk ratio 0.81 (95% CI 0.60 to 1.08) in random-effects meta-analysis; Test for overall effect Z = 1.44 (p = 0.15); Heterogeneity Chi-squared = 7.33, df = 2 (p 0.03), I-squared = 73%; Tau-squared = 0.04</p><p><b>note</b>: We consider the random-effects model more appropriate for interpretation as the true effect of remdesivir is likely different across the different populations represented in each trial.</p><p><b>statisticType</b>: Relative Risk <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (StatisticStatisticType[0.1.0]#C93152)</span></p><p><b>quantity</b>: 0.81</p><p><b>numberOfEvents</b>: 779</p><p><b>numberAffected</b>: 779</p><h3>SampleSizes</h3><table class=\"grid\"><tr><td style=\"display: none\">-</td><td><b>NumberOfStudies</b></td><td><b>NumberOfParticipants</b></td><td><b>KnownDataCount</b></td></tr><tr><td style=\"display: none\">*</td><td>3</td><td>6774</td><td>6744</td></tr></table><blockquote><p><b>attributeEstimate</b></p><p><b>type</b>: Confidence interval <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/5.5.0/CodeSystem-attribute-estimate-type.html\">StatisticAttribute Estimate Type</a>#C53324)</span></p><p><b>level</b>: 0.95</p><p><b>range</b>: 0.6-1.08</p></blockquote><blockquote><p><b>attributeEstimate</b></p><p><b>type</b>: Z-score <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> ()</span></p><p><b>quantity</b>: 1.44</p></blockquote><blockquote><p><b>attributeEstimate</b></p><p><b>type</b>: P-value <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/5.5.0/CodeSystem-attribute-estimate-type.html\">StatisticAttribute Estimate Type</a>#C44185)</span></p><p><b>quantity</b>: 0.15</p></blockquote><blockquote><p><b>attributeEstimate</b></p><p><b>type</b>: Tau squared <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/5.5.0/CodeSystem-attribute-estimate-type.html\">StatisticAttribute Estimate Type</a>#0000421)</span></p><p><b>quantity</b>: 0.04</p></blockquote><blockquote><p><b>attributeEstimate</b></p><p><b>type</b>: I-squared <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/5.5.0/CodeSystem-attribute-estimate-type.html\">StatisticAttribute Estimate Type</a>#0000420)</span></p><p><b>quantity</b>: 0.73</p></blockquote><blockquote><p><b>attributeEstimate</b></p><p><b>type</b>: Cochran's Q statistic <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/5.5.0/CodeSystem-attribute-estimate-type.html\">StatisticAttribute Estimate Type</a>#0000419)</span></p><p><b>quantity</b>: 7.33</p><h3>AttributeEstimates</h3><table class=\"grid\"><tr><td style=\"display: none\">-</td><td><b>Type</b></td><td><b>Quantity</b></td></tr><tr><td style=\"display: none\">*</td><td>degrees of freedom <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> ()</span></td><td>2</td></tr><tr><td style=\"display: none\">*</td><td>P-value <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/5.5.0/CodeSystem-attribute-estimate-type.html\">StatisticAttribute Estimate Type</a>#C44185)</span></td><td>0.03</td></tr></table></blockquote><blockquote><p><b>modelCharacteristic</b></p><p><b>StatisticModelApplied</b>: true</p><p><b>code</b>: Random-effects <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://hl7.org/fhir/R5/codesystem-statistic-model-code.html\">Statistic Model Code</a>#effectsRandom)</span></p></blockquote><blockquote><p><b>modelCharacteristic</b></p><p><b>StatisticModelApplied</b>: true</p><p><b>code</b>: Meta-analysis <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://hl7.org/fhir/R5/codesystem-statistic-model-code.html\">Statistic Model Code</a>#metaAnalysis)</span></p></blockquote><blockquote><p><b>modelCharacteristic</b></p><p><b>StatisticModelApplied</b>: true</p><p><b>code</b>: Dersimonian-Laird method <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://hl7.org/fhir/R5/codesystem-statistic-model-code.html\">Statistic Model Code</a>#tauDersimonianLaird)</span></p></blockquote></blockquote><blockquote><p><b>certainty</b></p><p><b>description</b>: Low certainty due to inconsistency and risk of bias</p><p><b>type</b>: Overall certainty <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://hl7.org/fhir/R5/codesystem-certainty-type.html\">Evidence Certainty Type</a>#Overall)</span></p><p><b>rating</b>: Low quality <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://hl7.org/fhir/R5/codesystem-certainty-rating.html\">Evidence Certainty Rating</a>#low)</span></p><blockquote><p><b>subcomponent</b></p><p><b>type</b>: Publication bias <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://hl7.org/fhir/R5/codesystem-certainty-type.html\">Evidence Certainty Type</a>#PublicationBias)</span></p><p><b>rating</b>: no serious concern <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://hl7.org/fhir/R5/codesystem-certainty-rating.html\">Evidence Certainty Rating</a>#no-concern)</span></p></blockquote><blockquote><p><b>subcomponent</b></p><p><b>note</b>: There is a high degree of heterogeneity (I-squared = 73%).  There is also inconsistency in findings between the fixed-effect and random-effects statistical models.</p><p><b>type</b>: Inconsistency <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://hl7.org/fhir/R5/codesystem-certainty-type.html\">Evidence Certainty Type</a>#Inconsistency)</span></p><p><b>rating</b>: serious concern <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://hl7.org/fhir/R5/codesystem-certainty-rating.html\">Evidence Certainty Rating</a>#serious-concern)</span></p></blockquote><blockquote><p><b>subcomponent</b></p><p><b>note</b>: Although the random-effects analysis finds an estimate without statistical significance, this imprecision is explained by the inconsistency (heterogeneity) and thus not further downrated  in certainty assessment.</p><p><b>type</b>: Imprecision <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://hl7.org/fhir/R5/codesystem-certainty-type.html\">Evidence Certainty Type</a>#Imprecision)</span></p><p><b>rating</b>: no serious concern <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://hl7.org/fhir/R5/codesystem-certainty-rating.html\">Evidence Certainty Rating</a>#no-concern)</span></p></blockquote><blockquote><p><b>subcomponent</b></p><p><b>type</b>: Indirectness <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://hl7.org/fhir/R5/codesystem-certainty-type.html\">Evidence Certainty Type</a>#Indirectness)</span></p><p><b>rating</b>: no serious concern <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://hl7.org/fhir/R5/codesystem-certainty-rating.html\">Evidence Certainty Rating</a>#no-concern)</span></p></blockquote><blockquote><p><b>subcomponent</b></p><p><b>type</b>: Risk of bias <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://hl7.org/fhir/R5/codesystem-certainty-type.html\">Evidence Certainty Type</a>#RiskOfBias)</span></p><p><b>rating</b>: serious concern <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://hl7.org/fhir/R5/codesystem-certainty-rating.html\">Evidence Certainty Rating</a>#serious-concern)</span></p><blockquote><p><b>subcomponent</b></p></blockquote></blockquote></blockquote></div>"
  ] ; # 
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  fhir:identifier ( [
fhir:type [
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fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/v2-0203"^^xsd:anyURI ] ;
fhir:code [ fhir:v "ACSN" ] ;
fhir:display [ fhir:v "Accession ID" ]       ] ) ;
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fhir:assigner [
fhir:display [ fhir:v "Computable Publishing LLC" ]     ]
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fhir:system [ fhir:v "https://gps.health/coka"^^xsd:anyURI ] ;
fhir:value [ fhir:v "143" ] ;
fhir:assigner [
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  fhir:title [ fhir:v "14-day mortality remdesivir vs placebo meta-analysis (ACTT-1, Wang et al, WHO SOLIDARITY)"] ; # 
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a fhir:Reference ;
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  ] ; # 
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  fhir:author ( [
fhir:name [ fhir:v "Brian S. Alper" ]
  ] [
fhir:name [ fhir:v "Joanne Dehnbostel" ]
  ] [
fhir:name [ fhir:v "Khalid Shahin" ]
  ] ) ; # 
  fhir:copyright [ fhir:v "https://creativecommons.org/licenses/by-nc-sa/4.0/"] ; # 
  fhir:relatedArtifact ( [
fhir:type [ fhir:v "citation" ] ;
fhir:display [ fhir:v "Remdesivir in adults with severe COVID-19: a randomised, double-blind, placebo-controlled, multicentre trial" ] ;
fhir:resource [
fhir:v "http://computablepublishing.us/fevir/resources/Citation/4932"^^xsd:anyURI ;
fhir:link <http://computablepublishing.us/fevir/resources/Citation/4932>     ]
  ] [
fhir:type [ fhir:v "citation" ] ;
fhir:display [ fhir:v "Remdesivir for the Treatment of Covid-19 - Final Report" ]
  ] [
fhir:type [ fhir:v "citation" ] ;
fhir:display [ fhir:v "Repurposed Antiviral Drugs for Covid-19 — Interim WHO Solidarity Trial Results" ]
  ] [
fhir:type [ fhir:v "cite-as" ] ;
fhir:citation [ fhir:v "14-day mortality remdesivir vs placebo meta-analysis (ACTT-1, Wang et al, WHO SOLIDARITY) [Database Entry: FHIR Evidence Resource]. Contributors: Brian S. Alper, Joanne Dehnbostel, Khalid Shahin [Authors/Creators]. In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 55. Published 2020-12-17. Revised 2021-08-23. Available at: https://fevir.net/resources/Evidence/55. Computable resource at: https://fevir.net/resources/Evidence/55." ]
  ] ) ; # 
  fhir:description [ fhir:v "COVID-19 pneumonia remdesivir vs. placebo 14-day mortality (779 events among 6,744 participants, 3 randomized trials)\nRisk ratio 0.85 (95% CI 0.74 to 0.96) in fixed-effect analysis\nRisk ratio 0.81 (95% CI 0.60 to 1.08) in random-effects analysis"] ; # 
  fhir:assertion [ fhir:v "Remdesivir might reduce 14-day mortality, but this finding has not been repeated in a second trial (Low certainty)"] ; # 
  fhir:variableDefinition ( [
    ( fhir:extension [
fhir:url [ fhir:v "http://hl7.org/fhir/uv/ebm/StructureDefinition/variable-definition-variable-role-code"^^xsd:anyURI ] ;
fhir:value [ fhir:v "population" ]     ] ) ;
fhir:description [ fhir:v "Adults with COVID-19 pneumonia admitted to hospital" ] ;
    ( fhir:note [
fhir:text [ fhir:v "population" ]     ] ) ;
fhir:variableRole [
      ( fhir:coding [
fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/variable-role"^^xsd:anyURI ] ;
fhir:code [ fhir:v "population" ] ;
fhir:display [ fhir:v "population" ]       ] ) ;
fhir:text [ fhir:v "Use extension:variableRoleCode instead." ]     ] ;
fhir:observed [
fhir:reference [ fhir:v "Group/179799" ] ;
fhir:type [ fhir:v "Group"^^xsd:anyURI ] ;
fhir:display [ fhir:v "MetaanalysisStudyGroup: Effect Estimates for Mortality at 14 days from COVID19 Remdesivir vs. Placebo RCTs (Biegel 2020 data 35/541 vs. 61/521) (Wang 2020 data 15/153 vs. 7/78) (SOLIDARITY data 219/2743 vs. 219/2708)" ]     ] ;
fhir:intended [
fhir:reference [ fhir:v "Group/12714" ] ;
fhir:type [ fhir:v "Group"^^xsd:anyURI ] ;
fhir:display [ fhir:v "COVID-19PneumoniaHospitalizedAdult" ]     ] ;
fhir:directnessMatch [
      ( fhir:coding [
fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/directness"^^xsd:anyURI ] ;
fhir:version [ fhir:v "1.0.0" ] ;
fhir:code [ fhir:v "high" ] ;
fhir:display [ fhir:v "High quality match between observed and intended variable" ]       ] )     ]
  ] [
    ( fhir:extension [
fhir:url [ fhir:v "http://hl7.org/fhir/uv/ebm/StructureDefinition/variable-definition-variable-role-code"^^xsd:anyURI ] ;
fhir:value [ fhir:v "exposure" ]     ] ) ;
fhir:description [ fhir:v "Remdesivir IV 200 mg once then 100 mg once daily for 9 days" ] ;
    ( fhir:note [
fhir:text [ fhir:v "exposure" ]     ] ) ;
fhir:variableRole [
      ( fhir:coding [
fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/variable-role"^^xsd:anyURI ] ;
fhir:code [ fhir:v "exposure" ] ;
fhir:display [ fhir:v "exposure" ]       ] ) ;
fhir:text [ fhir:v "Use extension:variableRoleCode instead." ]     ] ;
fhir:observed [
fhir:reference [ fhir:v "Group/179783" ] ;
fhir:type [ fhir:v "Group"^^xsd:anyURI ] ;
fhir:display [ fhir:v "Remdesivir IV 200 mg once then 100 mg once daily for 9 days" ]     ] ;
fhir:intended [
fhir:reference [ fhir:v "EvidenceVariable/12717" ] ;
fhir:type [ fhir:v "EvidenceVariable"^^xsd:anyURI ] ;
fhir:display [ fhir:v "Remdesivir" ]     ]
  ] [
    ( fhir:extension [
fhir:url [ fhir:v "http://hl7.org/fhir/uv/ebm/StructureDefinition/variable-definition-variable-role-code"^^xsd:anyURI ] ;
fhir:value [ fhir:v "exposure" ]     ] ) ;
fhir:description [ fhir:v "Placebo" ] ;
    ( fhir:note [
fhir:text [ fhir:v "SOLIDARITY trial did not use placebo in control group" ]     ] [
fhir:text [ fhir:v "exposure" ]     ] ) ;
fhir:variableRole [
      ( fhir:coding [
fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/variable-role"^^xsd:anyURI ] ;
fhir:code [ fhir:v "exposure" ] ;
fhir:display [ fhir:v "exposure" ]       ] ) ;
fhir:text [ fhir:v "Use extension:variableRoleCode instead." ]     ] ;
fhir:observed [
fhir:reference [ fhir:v "EvidenceVariable/12718" ] ;
fhir:type [ fhir:v "EvidenceVariable"^^xsd:anyURI ] ;
fhir:display [ fhir:v "Placebo" ]     ] ;
fhir:intended [
fhir:reference [ fhir:v "EvidenceVariable/12718" ] ;
fhir:type [ fhir:v "EvidenceVariable"^^xsd:anyURI ] ;
fhir:display [ fhir:v "Placebo" ]     ]
  ] [
    ( fhir:extension [
fhir:url [ fhir:v "http://hl7.org/fhir/uv/ebm/StructureDefinition/variable-definition-variable-role-code"^^xsd:anyURI ] ;
fhir:value [ fhir:v "outcome" ]     ] ) ;
fhir:description [ fhir:v "Mortality at 14 days" ] ;
    ( fhir:note [
fhir:text [ fhir:v "outcome" ]     ] ) ;
fhir:variableRole [
      ( fhir:coding [
fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/variable-role"^^xsd:anyURI ] ;
fhir:code [ fhir:v "measuredVariable" ] ;
fhir:display [ fhir:v "measured variable" ]       ] ) ;
fhir:text [ fhir:v "Use extension:variableRoleCode instead." ]     ] ;
fhir:observed [
fhir:reference [ fhir:v "EvidenceVariable/12719" ] ;
fhir:type [ fhir:v "EvidenceVariable"^^xsd:anyURI ] ;
fhir:display [ fhir:v "Mortality at 14 days" ]     ] ;
fhir:intended [
fhir:reference [ fhir:v "EvidenceVariable/12719" ] ;
fhir:type [ fhir:v "EvidenceVariable"^^xsd:anyURI ] ;
fhir:display [ fhir:v "Mortality at 14 days" ]     ]
  ] ) ; # 
  fhir:studyDesign ( [
    ( fhir:coding [
fhir:system [ fhir:v "https://fevir.net/resources/CodeSystem/181513"^^xsd:anyURI ] ;
fhir:code [ fhir:v "SEVCO:01003" ] ;
fhir:display [ fhir:v "randomized assignment" ]     ] )
  ] ) ; # 
  fhir:statistic ( [
fhir:description [ fhir:v "risk ratio 0.85 (95% CI 0.74 to 0.96) in fixed-effect meta-analysis; Test for overall effect Z = 2.52 (p = 0.01); Heterogeneity Chi-squared = 7.33, df = 2 (p 0.03), I-squared = 73%" ] ;
fhir:statisticType [
      ( fhir:coding [
fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/statistic-type"^^xsd:anyURI ] ;
fhir:version [ fhir:v "0.1.0" ] ;
fhir:code [ fhir:v "C93152" ] ;
fhir:display [ fhir:v "Relative Risk" ] ;
fhir:userSelected [ fhir:v "true"^^xsd:boolean ]       ] )     ] ;
fhir:quantity [
fhir:value [ fhir:v "0.85"^^xsd:decimal ]     ] ;
fhir:numberOfEvents [ fhir:v "779"^^xsd:nonNegativeInteger ] ;
fhir:numberAffected [ fhir:v "779"^^xsd:nonNegativeInteger ] ;
fhir:sampleSize [
fhir:numberOfStudies [ fhir:v "3"^^xsd:nonNegativeInteger ] ;
fhir:numberOfParticipants [ fhir:v "6774"^^xsd:nonNegativeInteger ] ;
fhir:knownDataCount [ fhir:v "6744"^^xsd:nonNegativeInteger ]     ] ;
    ( fhir:attributeEstimate [
fhir:type [
        ( fhir:coding [
fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/attribute-estimate-type"^^xsd:anyURI ] ;
fhir:code [ fhir:v "C53324" ] ;
fhir:display [ fhir:v "Confidence interval" ]         ] )       ] ;
fhir:level [ fhir:v "0.95"^^xsd:decimal ] ;
fhir:range [
fhir:low [
fhir:value [ fhir:v "0.74"^^xsd:decimal ]         ] ;
fhir:high [
fhir:value [ fhir:v "0.96"^^xsd:decimal ]         ]       ]     ] [
fhir:type [
        ( fhir:coding [
fhir:system [ fhir:v "https://fevir.net/resources/CodeSystem/181513"^^xsd:anyURI ] ;
fhir:code [ fhir:v "TBD:0000077" ] ;
fhir:display [ fhir:v "P-value" ]         ] ) ;
fhir:text [ fhir:v "Z-score" ]       ] ;
fhir:quantity [
fhir:value [ fhir:v "2.52"^^xsd:decimal ]       ]     ] [
fhir:type [
        ( fhir:coding [
fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/attribute-estimate-type"^^xsd:anyURI ] ;
fhir:code [ fhir:v "C44185" ] ;
fhir:display [ fhir:v "P-value" ]         ] )       ] ;
fhir:quantity [
fhir:value [ fhir:v "0.01"^^xsd:decimal ]       ]     ] [
fhir:type [
        ( fhir:coding [
fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/attribute-estimate-type"^^xsd:anyURI ] ;
fhir:code [ fhir:v "0000420" ] ;
fhir:display [ fhir:v "I-squared" ]         ] )       ] ;
fhir:quantity [
fhir:value [ fhir:v "0.73"^^xsd:decimal ]       ]     ] [
fhir:type [
        ( fhir:coding [
fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/attribute-estimate-type"^^xsd:anyURI ] ;
fhir:code [ fhir:v "0000419" ] ;
fhir:display [ fhir:v "Cochran's Q statistic" ]         ] )       ] ;
fhir:quantity [
fhir:value [ fhir:v "7.33"^^xsd:decimal ]       ] ;
      ( fhir:attributeEstimate [
fhir:type [
          ( fhir:coding [
fhir:system [ fhir:v "https://fevir.net/resources/CodeSystem/181513"^^xsd:anyURI ] ;
fhir:code [ fhir:v "STATO:0000069" ] ;
fhir:display [ fhir:v "Degrees of Freedom" ]           ] ) ;
fhir:text [ fhir:v "degrees of freedom" ]         ] ;
fhir:quantity [
fhir:value [ fhir:v "2"^^xsd:decimal ]         ]       ] [
fhir:type [
          ( fhir:coding [
fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/attribute-estimate-type"^^xsd:anyURI ] ;
fhir:code [ fhir:v "C44185" ] ;
fhir:display [ fhir:v "P-value" ]           ] )         ] ;
fhir:quantity [
fhir:value [ fhir:v "0.03"^^xsd:decimal ]         ]       ] )     ] ) ;
    ( fhir:modelCharacteristic [
      ( fhir:extension [
fhir:url [ fhir:v "http://hl7.org/fhir/uv/ebm/StructureDefinition/statistic-model-applied"^^xsd:anyURI ] ;
fhir:value [ fhir:v "true"^^xsd:boolean ]       ] ) ;
fhir:code [
        ( fhir:coding [
fhir:system [ fhir:v "http://hl7.org/fhir/statistic-model-code"^^xsd:anyURI ] ;
fhir:code [ fhir:v "effectsFixed" ] ;
fhir:display [ fhir:v "Fixed-effects" ] ;
fhir:userSelected [ fhir:v "true"^^xsd:boolean ]         ] )       ]     ] [
      ( fhir:extension [
fhir:url [ fhir:v "http://hl7.org/fhir/uv/ebm/StructureDefinition/statistic-model-applied"^^xsd:anyURI ] ;
fhir:value [ fhir:v "true"^^xsd:boolean ]       ] ) ;
fhir:code [
        ( fhir:coding [
fhir:system [ fhir:v "http://hl7.org/fhir/statistic-model-code"^^xsd:anyURI ] ;
fhir:code [ fhir:v "metaAnalysis" ] ;
fhir:display [ fhir:v "Meta-analysis" ] ;
fhir:userSelected [ fhir:v "true"^^xsd:boolean ]         ] )       ]     ] )
  ] [
fhir:description [ fhir:v "risk ratio 0.81 (95% CI 0.60 to 1.08) in random-effects meta-analysis; Test for overall effect Z = 1.44 (p = 0.15); Heterogeneity Chi-squared = 7.33, df = 2 (p 0.03), I-squared = 73%; Tau-squared = 0.04" ] ;
    ( fhir:note [
fhir:text [ fhir:v "We consider the random-effects model more appropriate for interpretation as the true effect of remdesivir is likely different across the different populations represented in each trial." ]     ] ) ;
fhir:statisticType [
      ( fhir:coding [
fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/statistic-type"^^xsd:anyURI ] ;
fhir:version [ fhir:v "0.1.0" ] ;
fhir:code [ fhir:v "C93152" ] ;
fhir:display [ fhir:v "Relative Risk" ] ;
fhir:userSelected [ fhir:v "true"^^xsd:boolean ]       ] )     ] ;
fhir:quantity [
fhir:value [ fhir:v "0.81"^^xsd:decimal ]     ] ;
fhir:numberOfEvents [ fhir:v "779"^^xsd:nonNegativeInteger ] ;
fhir:numberAffected [ fhir:v "779"^^xsd:nonNegativeInteger ] ;
fhir:sampleSize [
fhir:numberOfStudies [ fhir:v "3"^^xsd:nonNegativeInteger ] ;
fhir:numberOfParticipants [ fhir:v "6774"^^xsd:nonNegativeInteger ] ;
fhir:knownDataCount [ fhir:v "6744"^^xsd:nonNegativeInteger ]     ] ;
    ( fhir:attributeEstimate [
fhir:type [
        ( fhir:coding [
fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/attribute-estimate-type"^^xsd:anyURI ] ;
fhir:code [ fhir:v "C53324" ] ;
fhir:display [ fhir:v "Confidence interval" ]         ] )       ] ;
fhir:level [ fhir:v "0.95"^^xsd:decimal ] ;
fhir:range [
fhir:low [
fhir:value [ fhir:v "0.6"^^xsd:decimal ]         ] ;
fhir:high [
fhir:value [ fhir:v "1.08"^^xsd:decimal ]         ]       ]     ] [
fhir:type [
fhir:text [ fhir:v "Z-score" ]       ] ;
fhir:quantity [
fhir:value [ fhir:v "1.44"^^xsd:decimal ]       ]     ] [
fhir:type [
        ( fhir:coding [
fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/attribute-estimate-type"^^xsd:anyURI ] ;
fhir:code [ fhir:v "C44185" ] ;
fhir:display [ fhir:v "P-value" ]         ] )       ] ;
fhir:quantity [
fhir:value [ fhir:v "0.15"^^xsd:decimal ]       ]     ] [
fhir:type [
        ( fhir:coding [
fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/attribute-estimate-type"^^xsd:anyURI ] ;
fhir:code [ fhir:v "0000421" ] ;
fhir:display [ fhir:v "Tau squared" ]         ] )       ] ;
fhir:quantity [
fhir:value [ fhir:v "0.04"^^xsd:decimal ]       ]     ] [
fhir:type [
        ( fhir:coding [
fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/attribute-estimate-type"^^xsd:anyURI ] ;
fhir:code [ fhir:v "0000420" ] ;
fhir:display [ fhir:v "I-squared" ]         ] )       ] ;
fhir:quantity [
fhir:value [ fhir:v "0.73"^^xsd:decimal ]       ]     ] [
fhir:type [
        ( fhir:coding [
fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/attribute-estimate-type"^^xsd:anyURI ] ;
fhir:code [ fhir:v "0000419" ] ;
fhir:display [ fhir:v "Cochran's Q statistic" ]         ] )       ] ;
fhir:quantity [
fhir:value [ fhir:v "7.33"^^xsd:decimal ]       ] ;
      ( fhir:attributeEstimate [
fhir:type [
fhir:text [ fhir:v "degrees of freedom" ]         ] ;
fhir:quantity [
fhir:value [ fhir:v "2"^^xsd:decimal ]         ]       ] [
fhir:type [
          ( fhir:coding [
fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/attribute-estimate-type"^^xsd:anyURI ] ;
fhir:code [ fhir:v "C44185" ] ;
fhir:display [ fhir:v "P-value" ]           ] )         ] ;
fhir:quantity [
fhir:value [ fhir:v "0.03"^^xsd:decimal ]         ]       ] )     ] ) ;
    ( fhir:modelCharacteristic [
      ( fhir:extension [
fhir:url [ fhir:v "http://hl7.org/fhir/uv/ebm/StructureDefinition/statistic-model-applied"^^xsd:anyURI ] ;
fhir:value [ fhir:v "true"^^xsd:boolean ]       ] ) ;
fhir:code [
        ( fhir:coding [
fhir:system [ fhir:v "http://hl7.org/fhir/statistic-model-code"^^xsd:anyURI ] ;
fhir:code [ fhir:v "effectsRandom" ] ;
fhir:display [ fhir:v "Random-effects" ] ;
fhir:userSelected [ fhir:v "true"^^xsd:boolean ]         ] )       ]     ] [
      ( fhir:extension [
fhir:url [ fhir:v "http://hl7.org/fhir/uv/ebm/StructureDefinition/statistic-model-applied"^^xsd:anyURI ] ;
fhir:value [ fhir:v "true"^^xsd:boolean ]       ] ) ;
fhir:code [
        ( fhir:coding [
fhir:system [ fhir:v "http://hl7.org/fhir/statistic-model-code"^^xsd:anyURI ] ;
fhir:code [ fhir:v "metaAnalysis" ] ;
fhir:display [ fhir:v "Meta-analysis" ] ;
fhir:userSelected [ fhir:v "true"^^xsd:boolean ]         ] )       ]     ] [
      ( fhir:extension [
fhir:url [ fhir:v "http://hl7.org/fhir/uv/ebm/StructureDefinition/statistic-model-applied"^^xsd:anyURI ] ;
fhir:value [ fhir:v "true"^^xsd:boolean ]       ] ) ;
fhir:code [
        ( fhir:coding [
fhir:system [ fhir:v "http://hl7.org/fhir/statistic-model-code"^^xsd:anyURI ] ;
fhir:code [ fhir:v "tauDersimonianLaird" ] ;
fhir:display [ fhir:v "Dersimonian-Laird method" ] ;
fhir:userSelected [ fhir:v "true"^^xsd:boolean ]         ] )       ]     ] )
  ] ) ; # 
  fhir:certainty ( [
fhir:description [ fhir:v "Low certainty due to inconsistency and risk of bias" ] ;
fhir:type [
      ( fhir:coding [
fhir:system [ fhir:v "http://hl7.org/fhir/certainty-type"^^xsd:anyURI ] ;
fhir:code [ fhir:v "Overall" ] ;
fhir:display [ fhir:v "Overall certainty" ]       ] )     ] ;
fhir:rating [
      ( fhir:coding [
fhir:system [ fhir:v "http://hl7.org/fhir/certainty-rating"^^xsd:anyURI ] ;
fhir:code [ fhir:v "low" ] ;
fhir:display [ fhir:v "Low quality" ]       ] )     ] ;
    ( fhir:subcomponent [
fhir:type [
        ( fhir:coding [
fhir:system [ fhir:v "http://hl7.org/fhir/certainty-type"^^xsd:anyURI ] ;
fhir:code [ fhir:v "PublicationBias" ] ;
fhir:display [ fhir:v "Publication bias" ]         ] )       ] ;
fhir:rating [
        ( fhir:coding [
fhir:system [ fhir:v "http://hl7.org/fhir/certainty-rating"^^xsd:anyURI ] ;
fhir:code [ fhir:v "no-concern" ] ;
fhir:display [ fhir:v "no serious concern" ]         ] )       ]     ] [
      ( fhir:note [
fhir:text [ fhir:v "There is a high degree of heterogeneity (I-squared = 73%).  There is also inconsistency in findings between the fixed-effect and random-effects statistical models." ]       ] ) ;
fhir:type [
        ( fhir:coding [
fhir:system [ fhir:v "http://hl7.org/fhir/certainty-type"^^xsd:anyURI ] ;
fhir:code [ fhir:v "Inconsistency" ] ;
fhir:display [ fhir:v "Inconsistency" ]         ] )       ] ;
fhir:rating [
        ( fhir:coding [
fhir:system [ fhir:v "http://hl7.org/fhir/certainty-rating"^^xsd:anyURI ] ;
fhir:code [ fhir:v "serious-concern" ] ;
fhir:display [ fhir:v "serious concern" ]         ] )       ]     ] [
      ( fhir:note [
fhir:text [ fhir:v "Although the random-effects analysis finds an estimate without statistical significance, this imprecision is explained by the inconsistency (heterogeneity) and thus not further downrated  in certainty assessment." ]       ] ) ;
fhir:type [
        ( fhir:coding [
fhir:system [ fhir:v "http://hl7.org/fhir/certainty-type"^^xsd:anyURI ] ;
fhir:code [ fhir:v "Imprecision" ] ;
fhir:display [ fhir:v "Imprecision" ]         ] )       ] ;
fhir:rating [
        ( fhir:coding [
fhir:system [ fhir:v "http://hl7.org/fhir/certainty-rating"^^xsd:anyURI ] ;
fhir:code [ fhir:v "no-concern" ] ;
fhir:display [ fhir:v "no serious concern" ]         ] )       ]     ] [
fhir:type [
        ( fhir:coding [
fhir:system [ fhir:v "http://hl7.org/fhir/certainty-type"^^xsd:anyURI ] ;
fhir:code [ fhir:v "Indirectness" ] ;
fhir:display [ fhir:v "Indirectness" ]         ] )       ] ;
fhir:rating [
        ( fhir:coding [
fhir:system [ fhir:v "http://hl7.org/fhir/certainty-rating"^^xsd:anyURI ] ;
fhir:code [ fhir:v "no-concern" ] ;
fhir:display [ fhir:v "no serious concern" ]         ] )       ]     ] [
fhir:type [
        ( fhir:coding [
fhir:system [ fhir:v "http://hl7.org/fhir/certainty-type"^^xsd:anyURI ] ;
fhir:code [ fhir:v "RiskOfBias" ] ;
fhir:display [ fhir:v "Risk of bias" ]         ] )       ] ;
fhir:rating [
        ( fhir:coding [
fhir:system [ fhir:v "http://hl7.org/fhir/certainty-rating"^^xsd:anyURI ] ;
fhir:code [ fhir:v "serious-concern" ] ;
fhir:display [ fhir:v "serious concern" ]         ] )       ] ;
      ( fhir:subcomponent [
        ( fhir:note [
fhir:text [ fhir:v "No blinding (no placebo control) in the largest trial" ]         ] ) ;
fhir:type [
          ( fhir:coding [
fhir:system [ fhir:v "https://fevir.net/resources/CodeSystem/181513"^^xsd:anyURI ] ;
fhir:code [ fhir:v "SEVCO:00035" ] ;
fhir:display [ fhir:v "Inadequate blinding of participants" ]           ] ) ;
fhir:text [ fhir:v "Lack of blinding" ]         ] ;
fhir:rating [
          ( fhir:coding [
fhir:system [ fhir:v "http://hl7.org/fhir/certainty-rating"^^xsd:anyURI ] ;
fhir:code [ fhir:v "present" ] ;
fhir:display [ fhir:v "present" ]           ] )         ]       ] )     ] )
  ] ) . #