{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "The mean difference, or difference in means, measures the absolute difference between the mean value in two different groups.",
  "system" : "http://terminology.hl7.org/CodeSystem/statistic-type",
  "property" : [ ],
  "codesystem" : "fca7c533-16e4-5047-a0b4-a8f0d355a8a0",
  "concept_id" : "769e8cd4-3d4f-5d25-b94a-e85e3568e837",
  "ancestors" : {
    "0000457" : 0
  },
  "id" : "37ab310f-eedc-48a2-b138-f018cc2770e5",
  "code" : "0000457",
  "display" : "Mean Difference",
  "version" : "1.0.1"
}