description: Profile of Evidence for Evidence Based Medicine IG. The ComparatorOnlyEvidence Profile is used for evidence with a measured variable that is considered the outcome of an exposure or intervention, and a population that has an exposure with a categorical value that is the reference category for the exposure in a ComparativeEvidence Profile. The ComparatorOnlyEvidence describes the evidence for the comparator group.
package_name: hl7.fhir.uv.ebm
derivation: constraint
name: ComparatorOnlyEvidence
type: Evidence
elements:
  variableDefinition:
    index: 0
    slicing:
      slices:
        population:
          match: {}
          schema:
            index: 1
            elements:
              observed:
                type: Reference
                refers: ['http://hl7.org/fhir/uv/ebm/StructureDefinition/comparator-group', 'http://hl7.org/fhir/uv/ebm/StructureDefinition/exposure-group', 'http://hl7.org/fhir/uv/ebm/StructureDefinition/metaanalysis-study-group']
                index: 2
package_version: 1.0.0-ballot
class: profile
kind: resource
url: http://hl7.org/fhir/uv/ebm/StructureDefinition/comparator-only-evidence
base: http://hl7.org/fhir/uv/ebm/StructureDefinition/non-comparative-evidence
version: 1.0.0-ballot