description: This cross-version extension represents Evidence.variableDefinition from http://hl7.org/fhir/StructureDefinition/Evidence|4.3.0 for use in FHIR R4.
package_name: hl7.fhir.uv.xver-r4b.r4
derivation: constraint
name: ext_R4B_Evidence_variableDefinition
type: Extension
elements:
  extension:
    array: true
    min: 1
    index: 0
    slicing:
      rules: closed
      ordered: false
      discriminator:
      - {path: url, type: value}
      min: 1
      slices:
        description:
          match: {url: null}
          schema:
            short: A text description or summary of the variable
            isModifier: false
            index: 1
            elements:
              value:
                base: {path: 'Extension.value[x]'}
                short: A text description or summary of the variable
                choices: [valueMarkdown]
                index: 3
              valueMarkdown:
                base: {path: 'Extension.value[x]'}
                type: markdown
                short: A text description or summary of the variable
                choiceOf: value
                index: 4
        note:
          match: {url: null}
          schema:
            short: Footnotes and/or explanatory notes
            isModifier: false
            array: true
            index: 5
            elements:
              value:
                base: {path: 'Extension.value[x]'}
                short: Footnotes and/or explanatory notes
                choices: [valueAnnotation]
                index: 7
              valueAnnotation:
                base: {path: 'Extension.value[x]'}
                type: Annotation
                short: Footnotes and/or explanatory notes
                choiceOf: value
                index: 8
        variableRole:
          match: {url: null}
          schema:
            short: population | subpopulation | exposure | referenceExposure | measuredVariable | confounder
            isModifier: false
            _required: true
            index: 9
            elements:
              value:
                base: {path: 'Extension.value[x]'}
                short: population | subpopulation | exposure | referenceExposure | measuredVariable | confounder
                choices: [valueCodeableConcept]
                index: 11
              valueCodeableConcept:
                base: {path: 'Extension.value[x]'}
                type: CodeableConcept
                short: population | subpopulation | exposure | referenceExposure | measuredVariable | confounder
                choiceOf: value
                index: 12
        observed:
          match: {url: null}
          schema:
            short: Definition of the actual variable related to the statistic(s)
            isModifier: false
            index: 13
            elements:
              value:
                base: {path: 'Extension.value[x]'}
                short: Definition of the actual variable related to the statistic(s)
                choices: [valueReference]
                index: 15
              valueReference:
                base: {path: 'Extension.value[x]'}
                type: Reference
                short: Definition of the actual variable related to the statistic(s)
                choiceOf: value
                refers: ['http://hl7.org/fhir/StructureDefinition/EvidenceVariable', 'http://hl7.org/fhir/StructureDefinition/Group']
                index: 16
        intended:
          match: {url: null}
          schema:
            short: Definition of the intended variable related to the Evidence
            isModifier: false
            index: 17
            elements:
              value:
                base: {path: 'Extension.value[x]'}
                short: Definition of the intended variable related to the Evidence
                choices: [valueReference]
                index: 19
              valueReference:
                base: {path: 'Extension.value[x]'}
                type: Reference
                short: Definition of the intended variable related to the Evidence
                choiceOf: value
                refers: ['http://hl7.org/fhir/StructureDefinition/EvidenceVariable', 'http://hl7.org/fhir/StructureDefinition/Group']
                index: 20
        directnessMatch:
          match: {url: null}
          schema:
            isModifier: false
            short: low | moderate | high | exact
            index: 21
            elements:
              value:
                base: {path: 'Extension.value[x]'}
                short: low | moderate | high | exact
                choices: [valueCodeableConcept]
                index: 23
              valueCodeableConcept:
                base: {path: 'Extension.value[x]'}
                type: CodeableConcept
                short: low | moderate | high | exact
                choiceOf: value
                index: 24
  url:
    pattern: {type: uri, value: 'http://hl7.org/fhir/4.3/StructureDefinition/extension-Evidence.variableDefinition'}
    type: uri
    index: 25
package_version: 0.0.1-snapshot-1
extensions:
  description:
    url: null
    short: A text description or summary of the variable
    isModifier: false
    index: 1
    elements:
      value:
        base: {path: 'Extension.value[x]'}
        short: A text description or summary of the variable
        choices: [valueMarkdown]
        index: 3
      valueMarkdown:
        base: {path: 'Extension.value[x]'}
        type: markdown
        short: A text description or summary of the variable
        choiceOf: value
        index: 4
  note:
    url: null
    short: Footnotes and/or explanatory notes
    isModifier: false
    array: true
    index: 5
    elements:
      value:
        base: {path: 'Extension.value[x]'}
        short: Footnotes and/or explanatory notes
        choices: [valueAnnotation]
        index: 7
      valueAnnotation:
        base: {path: 'Extension.value[x]'}
        type: Annotation
        short: Footnotes and/or explanatory notes
        choiceOf: value
        index: 8
  variableRole:
    url: null
    short: population | subpopulation | exposure | referenceExposure | measuredVariable | confounder
    isModifier: false
    _required: true
    index: 9
    elements:
      value:
        base: {path: 'Extension.value[x]'}
        short: population | subpopulation | exposure | referenceExposure | measuredVariable | confounder
        choices: [valueCodeableConcept]
        index: 11
      valueCodeableConcept:
        base: {path: 'Extension.value[x]'}
        type: CodeableConcept
        short: population | subpopulation | exposure | referenceExposure | measuredVariable | confounder
        choiceOf: value
        index: 12
  observed:
    url: null
    short: Definition of the actual variable related to the statistic(s)
    isModifier: false
    index: 13
    elements:
      value:
        base: {path: 'Extension.value[x]'}
        short: Definition of the actual variable related to the statistic(s)
        choices: [valueReference]
        index: 15
      valueReference:
        base: {path: 'Extension.value[x]'}
        type: Reference
        short: Definition of the actual variable related to the statistic(s)
        choiceOf: value
        refers: ['http://hl7.org/fhir/StructureDefinition/EvidenceVariable', 'http://hl7.org/fhir/StructureDefinition/Group']
        index: 16
  intended:
    url: null
    short: Definition of the intended variable related to the Evidence
    isModifier: false
    index: 17
    elements:
      value:
        base: {path: 'Extension.value[x]'}
        short: Definition of the intended variable related to the Evidence
        choices: [valueReference]
        index: 19
      valueReference:
        base: {path: 'Extension.value[x]'}
        type: Reference
        short: Definition of the intended variable related to the Evidence
        choiceOf: value
        refers: ['http://hl7.org/fhir/StructureDefinition/EvidenceVariable', 'http://hl7.org/fhir/StructureDefinition/Group']
        index: 20
  directnessMatch:
    url: null
    isModifier: false
    short: low | moderate | high | exact
    index: 21
    elements:
      value:
        base: {path: 'Extension.value[x]'}
        short: low | moderate | high | exact
        choices: [valueCodeableConcept]
        index: 23
      valueCodeableConcept:
        base: {path: 'Extension.value[x]'}
        type: CodeableConcept
        short: low | moderate | high | exact
        choiceOf: value
        index: 24
class: extension
kind: complex-type
url: http://hl7.org/fhir/4.3/StructureDefinition/extension-Evidence.variableDefinition
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 0.0.1-snapshot-1
required: [extension, url]