Codesystem-variable-handling.json

Definition for Code SystemEvidenceVariableHandling

{
  "resourceType" : "CodeSystem",
  "id" : "variable-handling",
  "meta" : {
    "lastUpdated" : "2022-05-28T13:47:40.239+11:00",
    "profile" : ["http://hl7.org/fhir/StructureDefinition/shareablecodesystem"]
  },
  "text" : {
    "status" : "generated",
    "div" : "<div>!-- Snipped for Brevity --></div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "cds"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "trial-use"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 5
  }],
  "url" : "http://hl7.org/fhir/variable-handling",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.1.0"
  }],
  "version" : "4.3.0",
  "name" : "EvidenceVariableHandling",
  "title" : "EvidenceVariableHandling",
  "status" : "draft",
  "experimental" : false,
  "date" : "2021-01-05T10:01:24+11:00",
  "publisher" : "HL7 (FHIR Project)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    },
    {
      "system" : "email",
      "value" : "fhir@lists.hl7.org"
    }]
  }],
  "description" : "The handling of the variable in statistical analysis for exposures or outcomes (E.g. Dichotomous, Continuous, Descriptive).",
  "caseSensitive" : true,
  "valueSet" : "http://hl7.org/fhir/ValueSet/variable-handling",
  "content" : "complete",
  "concept" : [{
    "code" : "continuous",
    "display" : "continuous variable",
    "definition" : "A continuous variable is one for which, within the limits the variable ranges, any value is possible (from STATO http://purl.obolibrary.org/obo/STATO_0000251)."
  },
  {
    "code" : "dichotomous",
    "display" : "dichotomous variable",
    "definition" : "A dichotomous variable is a categorical variable which is defined to have only 2 categories or possible values (from STATO http://purl.obolibrary.org/obo/STATO_0000090)."
  },
  {
    "code" : "ordinal",
    "display" : "ordinal variable",
    "definition" : "An ordinal variable is a categorical variable where the discrete possible values are ordered or correspond to an implicit ranking (from STATO http://purl.obolibrary.org/obo/STATO_0000228)."
  },
  {
    "code" : "polychotomous",
    "display" : "polychotomous variable",
    "definition" : "A polychotomous variable is a categorical variable which is defined to have minimally 2 categories or possible values. (from STATO  http://purl.obolibrary.org/obo/STATO_0000087).  Suggestion to limit code use to situations when neither dichotomous nor ordinal variables apply."
  }]
}