FHIR Extensions Pack
5.3.0 - May 2026 International flag

FHIR Extensions Pack, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 5.3.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-extensions/ and changes regularly. See the Directory of published versions

Extension: Statistic Model Include If

Official URL: http://hl7.org/fhir/StructureDefinition/statistic-model-include-if Version: 5.3.0
Standards status: Trial-use Maturity Level: 1 Responsible: HL7 International / Clinical Decision Support Computable Name: StatisticModelIncludeIf
Other Identifiers: OID:2.16.840.1.113883.4.642.5.1509

The condition under which the variable (or modelCharacteristic) will be included.

The extension can be applied to Evidence.statistic.modelCharacteristic to describe when that modelCharacteristic is included in the statistical model, or can be applied to Evidence.statistic.modelCharacteristic.variable to describe when that variable is included in the adjusted analysis.

This extension requires two elements, an attribute and a value[x]. The interpretation of the extension instance is that when the attribute VALUE matches the value[x] VALUE, then the corresponding model characteristic (or variable) element shall be included in the model.

Context of Use

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

The extension can be applied to Evidence.statistic.modelCharacteristic to describe when that modelCharacteristic is included in the statistical model, or can be applied to Evidence.statistic.modelCharacteristic.variable to describe when that variable is included in the adjusted analysis.
This extension requires two elements, an attribute and a value[x]. The interpretation of the extension instance is that when the attribute value matches the value[x] value, then the corresponding model characteristic (or variable) element shall be included in the model.

Usage info

Usages:

  • This Extension is not used by any profiles in this Specification

You can also check for usages in the FHIR IG Statistics

Changes since version 5.3.0:

  • No changes

    • Formal Views of Extension Content

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

    This structure is derived from Extension

    Summary

    Complex Extension: The condition under which the variable (or modelCharacteristic) will be included. The extension can be applied to Evidence.statistic.modelCharacteristic to describe when that modelCharacteristic is included in the statistical model, or can be applied to Evidence.statistic.modelCharacteristic.variable to describe when that variable is included in the adjusted analysis. This extension requires two elements, an attribute and a value[x]. The interpretation of the extension instance is that when the attribute VALUE matches the value[x] VALUE, then the corresponding model characteristic (or variable) element shall be included in the model.

    • attribute: CodeableConcept: An Extension
    • value: boolean, CodeableConcept, Quantity, Range, Expression: An Extension

    Maturity: 1

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraints    Filter: doco
    Extension 0..1 Extension Condition upon which to include the variable or model characteristic in the analysis
    Extension.extension 2..2 Extension Extension
    Extension.Slices for extension Content/Rules for all slices
    Extension.Slices for extension.extension:attribute 1..1 Extension Extension
    Extension.Slices for extension.extension:attribute.extension 0..0 Extension
    Extension.Slices for extension.extension:attribute.url 1..1 uri "attribute"
    Extension.Slices for extension.extension:attribute.value[x] 0..1 CodeableConcept Type of condition
    Extension.Slices for extension.extension:value 1..1 Extension Extension
    Extension.Slices for extension.extension:value.extension 0..0 Extension
    Extension.Slices for extension.extension:value.url 1..1 uri "value"
    Extension.Slices for extension.extension:value.value[x] 1..1 Value of condition
    Extension.Slices for extension.extension:value.value[x].valueBoolean boolean
    Extension.Slices for extension.extension:value.value[x].valueCodeableConcept CodeableConcept
    Extension.Slices for extension.extension:value.value[x].valueQuantity Quantity
    Extension.Slices for extension.extension:value.value[x].valueRange Range
    Extension.Slices for extension.extension:value.value[x].valueExpression Expression
    Extension.url 1..1 uri "http://hl7.org/fhir/StructureDefinition/statistic-model-include-if"

    doco Documentation for this format
    NameFlagsCard.TypeDescription & Constraints    Filter: doco
    Extension 0..1 Extension Condition upon which to include the variable or model characteristic in the analysis
    Extension.id 0..1 id Unique id for inter-element referencing
    Extension.Slices for extension 2..2 Extension Extension
    Slice: Unordered, Open by value:url

    Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
    Extension.Slices for extension.extension:attribute 1..1 Extension Extension
    Extension.Slices for extension.extension:attribute.id 0..1 id Unique id for inter-element referencing
    Extension.Slices for extension.extension:attribute.extension 0..0 Extension
    Slice: Unordered, Open by value:url

    Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
    Extension.Slices for extension.extension:attribute.url 1..1 uri "attribute"
    Extension.Slices for extension.extension:attribute.value[x] 0..1 CodeableConcept Type of condition
    Extension.Slices for extension.extension:value 1..1 Extension Extension
    Extension.Slices for extension.extension:value.id 0..1 id Unique id for inter-element referencing
    Extension.Slices for extension.extension:value.extension 0..0 Extension
    Slice: Unordered, Open by value:url

    Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
    Extension.Slices for extension.extension:value.url 1..1 uri "value"
    Extension.Slices for extension.extension:value.value[x] 1..1 Value of condition
    Extension.Slices for extension.extension:value.value[x].valueBoolean boolean
    Extension.Slices for extension.extension:value.value[x].valueCodeableConcept CodeableConcept
    Extension.Slices for extension.extension:value.value[x].valueQuantity Quantity
    Extension.Slices for extension.extension:value.value[x].valueRange Range
    Extension.Slices for extension.extension:value.value[x].valueExpression Expression
    Extension.url 1..1 uri "http://hl7.org/fhir/StructureDefinition/statistic-model-include-if"

    doco Documentation for this format

    This structure is derived from Extension

    Summary

    Complex Extension: The condition under which the variable (or modelCharacteristic) will be included. The extension can be applied to Evidence.statistic.modelCharacteristic to describe when that modelCharacteristic is included in the statistical model, or can be applied to Evidence.statistic.modelCharacteristic.variable to describe when that variable is included in the adjusted analysis. This extension requires two elements, an attribute and a value[x]. The interpretation of the extension instance is that when the attribute VALUE matches the value[x] VALUE, then the corresponding model characteristic (or variable) element shall be included in the model.

    • attribute: CodeableConcept: An Extension
    • value: boolean, CodeableConcept, Quantity, Range, Expression: An Extension

    Maturity: 1

    Differential View

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraints    Filter: doco
    Extension 0..1 Extension Condition upon which to include the variable or model characteristic in the analysis
    Extension.extension 2..2 Extension Extension
    Extension.Slices for extension Content/Rules for all slices
    Extension.Slices for extension.extension:attribute 1..1 Extension Extension
    Extension.Slices for extension.extension:attribute.extension 0..0 Extension
    Extension.Slices for extension.extension:attribute.url 1..1 uri "attribute"
    Extension.Slices for extension.extension:attribute.value[x] 0..1 CodeableConcept Type of condition
    Extension.Slices for extension.extension:value 1..1 Extension Extension
    Extension.Slices for extension.extension:value.extension 0..0 Extension
    Extension.Slices for extension.extension:value.url 1..1 uri "value"
    Extension.Slices for extension.extension:value.value[x] 1..1 Value of condition
    Extension.Slices for extension.extension:value.value[x].valueBoolean boolean
    Extension.Slices for extension.extension:value.value[x].valueCodeableConcept CodeableConcept
    Extension.Slices for extension.extension:value.value[x].valueQuantity Quantity
    Extension.Slices for extension.extension:value.value[x].valueRange Range
    Extension.Slices for extension.extension:value.value[x].valueExpression Expression
    Extension.url 1..1 uri "http://hl7.org/fhir/StructureDefinition/statistic-model-include-if"
    Extension.value[x] 0..0 Value of extension

    doco Documentation for this format

    Snapshot View

    NameFlagsCard.TypeDescription & Constraints    Filter: doco
    Extension 0..1 Extension Condition upon which to include the variable or model characteristic in the analysis
    Extension.id 0..1 id Unique id for inter-element referencing
    Extension.Slices for extension 2..2 Extension Extension
    Slice: Unordered, Open by value:url

    Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
    Extension.Slices for extension.extension:attribute 1..1 Extension Extension
    Extension.Slices for extension.extension:attribute.id 0..1 id Unique id for inter-element referencing
    Extension.Slices for extension.extension:attribute.extension 0..0 Extension
    Slice: Unordered, Open by value:url

    Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
    Extension.Slices for extension.extension:attribute.url 1..1 uri "attribute"
    Extension.Slices for extension.extension:attribute.value[x] 0..1 CodeableConcept Type of condition
    Extension.Slices for extension.extension:value 1..1 Extension Extension
    Extension.Slices for extension.extension:value.id 0..1 id Unique id for inter-element referencing
    Extension.Slices for extension.extension:value.extension 0..0 Extension
    Slice: Unordered, Open by value:url

    Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
    Extension.Slices for extension.extension:value.url 1..1 uri "value"
    Extension.Slices for extension.extension:value.value[x] 1..1 Value of condition
    Extension.Slices for extension.extension:value.value[x].valueBoolean boolean
    Extension.Slices for extension.extension:value.value[x].valueCodeableConcept CodeableConcept
    Extension.Slices for extension.extension:value.value[x].valueQuantity Quantity
    Extension.Slices for extension.extension:value.value[x].valueRange Range
    Extension.Slices for extension.extension:value.value[x].valueExpression Expression
    Extension.url 1..1 uri "http://hl7.org/fhir/StructureDefinition/statistic-model-include-if"

    doco Documentation for this format

     

    Other representations of profile: CSV, Excel, Schematron

    Constraints

    Id Grade Path(s) Description Expression
    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()

    R4B

    The extension is unchanged in R4B

    R4

    The extension is not used in R4

    • There are no valid contexts for this extension

    R3

    The extension is not used in R3

    • There are no valid contexts for this extension

    Search Parameters for this Extension

    (none found)