{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "Difference between the observed risks (proportions of individuals with the outcome of interest) in the two groups. The risk difference is straightforward to interpret: it describes the actual difference in the observed risk of events between experimental and control interventions.",
  "system" : "http://terminology.hl7.org/CodeSystem/statistic-type",
  "property" : [ ],
  "codesystem" : "fca7c533-16e4-5047-a0b4-a8f0d355a8a0",
  "concept_id" : "46514cd8-b5ab-59c7-83aa-130c9efac616",
  "ancestors" : {
    "0000424" : 0
  },
  "id" : "72a5e541-7bad-4b13-aeb2-04a46ace9993",
  "code" : "0000424",
  "display" : "Risk Difference",
  "version" : "1.0.1"
}