{description: Profile of Group for Evidence Based Medicine IG. The ComparatorGroup Profile is used to represent a group (definitional or enumerated) used as a comparator in a ComparativeEvidence., package_name: hl7.fhir.uv.ebm, derivation: constraint, name: ComparatorGroup, type: Group, package_version: 1.0.0-ballot, class: profile, kind: resource, url: 'http://hl7.org/fhir/uv/ebm/StructureDefinition/comparator-group', base: 'http://hl7.org/fhir/uv/ebm/StructureDefinition/group-r6', version: 1.0.0-ballot}