Placebo

{
  "resourceType" : "EvidenceVariable",
  "id" : "example-placebo",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n\t\t\n      <p>\n\t\t\tIn a study of response rates if placebo is given, &quot;placcebo given&quot; may be the variable for the exposure of interest.\n      </p>\n\t\n    </div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "cds"
  }],
  "name" : "Placebo",
  "title" : "Placebo",
  "status" : "draft",
  "publisher" : "HL7 International / Clinical Decision Support",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/dss"
    }]
  }],
  "description" : "Placebo",
  "actual" : true,
  "definition" : {
    "concept" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "182886004",
        "display" : "Placebo given (situation)"
      }]
    }
  },
  "handling" : "dichotomous"
}