{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "hazard ratio (a type of relative effect estimate).",
  "system" : "http://terminology.hl7.org/CodeSystem/effect-estimate-type",
  "property" : [ ],
  "codesystem" : "e1aa883b-30b1-5b15-9858-120a51179387",
  "concept_id" : "4d7ae845-d442-5ca1-8a30-88a746049fe0",
  "ancestors" : {
    "relative-HR" : 0
  },
  "id" : "b38ee366-abec-4ade-8bdf-0082b1bd7a54",
  "code" : "relative-HR",
  "display" : "hazard ratio",
  "version" : "4.0.1"
}