{
  "package" : "hl7.terminology.r5@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" : "225523eb-e939-5559-80a7-58aadd459132",
  "concept_id" : "769e8cd4-3d4f-5d25-b94a-e85e3568e837",
  "ancestors" : {
    "0000457" : 0
  },
  "id" : "4e2aaf7d-83ea-4919-843e-421c6ff1506e",
  "code" : "0000457",
  "display" : "Mean Difference",
  "version" : "1.0.1"
}