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-ballot2 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

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Extension: NumberAnalyzed

Official URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/number-analyzed				Version: 1.0.0-ballot2
Standards status: Trial-use			Maturity Level: 1	Computable Name: NumberAnalyzed
Other Identifiers: OID:2.16.840.1.113883.4.642.40.44.42.129

The number of participants analyzed for the statistic. This extension is provided until the Implementation Guide uses a version of FHIR Evidence that includes this element.

Context of Use

This extension may be used on the following element(s)

• Element ID: Evidence.statistic.sampleSize

Usage info

Usages:

• Examples for this Extension: Evidence_for_Results_for_Systolic_blood_pressure_at_12_weeks_in_QUARTET_USA_Trial_Quadpill_group, Evidence_for_Results_for_Diastolic_blood_pressure_at_12_weeks_in_QUARTET_USA_Trial_Quadpill_group, Evidence_for_Results_for_Systolic_blood_pressure_at_12_weeks_in_GroupAssignment_Quadpill_vs_Candesartan, Evidence_for_Results_for_Diastolic_blood_pressure_at_12_weeks_in_QUARTET_USA_Trial_Control_Group... Show 11 more, Evidence_for_Results_for_Diastolic_blood_pressure_at_12_weeks_in_GroupAssignment_Quadpill_vs_Candesartan, Evidence_for_Results_for_Medication_Adherence_at_12_weeks_in_QUARTET_USA_Trial_Quadpill_group, Evidence_for_Results_for_Hypertension_Control_at_12_weeks_in_QUARTET_USA_Trial_Quadpill_group, Evidence_for_Results_for_Hypertension_Control_at_12_weeks_in_QUARTET_USA_Trial_Control_Group, Evidence_for_Results_for_Hypertension_Control_at_12_weeks_in_GroupAssignment_Quadpill_vs_Candesartan, Evidence_for_Results_for_Add_on_Amlodipine_at_6_weeks_in_QUARTET_USA_Trial_Quadpill_group, Evidence_for_Results_for_Add_on_Amlodipine_at_6_weeks_in_QUARTET_USA_Trial_Control_Group, Evidence_for_Results_for_Add_on_Amlodipine_at_6_weeks_in_GroupAssignment_Quadpill_vs_Candesartan, Evidence_for_Results_for_Adverse_event_free_and_hypertension_control_at_12_weeks_in_QUARTET_USA_Trial_Quadpill_group, Evidence_for_Results_for_Adverse_event_free_and_hypertension_control_at_12_weeks_in_QUARTET_USA_Trial_Control_Group and Evidence_for_Results_for_Adverse_event_free_and_hypertension_control_at_12_weeks_in_GroupAssignment_Quadpill_vs_Candesartan

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

 

Other representations of profile: CSV, Excel, Schematron

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()