### ----------------------------------------------------
### -- FHIR
### -- Licenses: Artistic-2.0
### -- Authors: Hugh Simpson
### -- File: t/resources/structureDefinition/ResearchElementDefinition.json
### ----------------------------------------------------
### -- Chunk 14 of 14
 "short" : "Whether the characteristic includes or excludes members",
      "definition" : "When true, members with this characteristic are excluded from the element.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "boolean"
      }],
      "meaningWhenMissing" : "False"
    },
    {
      "id" : "ResearchElementDefinition.characteristic.unitOfMeasure",
      "path" : "ResearchElementDefinition.characteristic.unitOfMeasure",
      "short" : "What unit is the outcome described in?",
      "definition" : "Specifies the UCUM unit for the outcome.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "UCUMUnits"
        }],
        "strength" : "required",
        "description" : "Unified Code for Units of Measure (UCUM).",
        "valueSet" : "http://hl7.org/fhir/ValueSet/ucum-units|4.0.0"
      }
    },
    {
      "id" : "ResearchElementDefinition.characteristic.studyEffectiveDescription",
      "path" : "ResearchElementDefinition.characteristic.studyEffectiveDescription",
      "short" : "What time period does the study cover",
      "definition" : "A narrative description of the time period the study covers.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }]
    },
    {
      "id" : "ResearchElementDefinition.characteristic.studyEffective[x]",
      "path" : "ResearchElementDefinition.characteristic.studyEffective[x]",
      "short" : "What time period does the study cover",
      "definition" : "Indicates what effective period the study covers.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "dateTime"
      },
      {
        "code" : "Period"
      },
      {
        "code" : "Duration"
      },
      {
        "code" : "Timing"
      }]
    },
    {
      "id" : "ResearchElementDefinition.characteristic.studyEffectiveTimeFromStart",
      "path" : "ResearchElementDefinition.characteristic.studyEffectiveTimeFromStart",
      "short" : "Observation time from study start",
      "definition" : "Indicates duration from the study initiation.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "Duration"
      }]
    },
    {
      "id" : "ResearchElementDefinition.characteristic.studyEffectiveGroupMeasure",
      "path" : "ResearchElementDefinition.characteristic.studyEffectiveGroupMeasure",
      "short" : "mean | median | mean-of-mean | mean-of-median | median-of-mean | median-of-median",
      "definition" : "Indicates how elements are aggregated within the study effective period.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "code"
      }],
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "GroupMeasure"
        }],
        "strength" : "required",
        "description" : "Possible group measure aggregates (E.g. Mean, Median).",
        "valueSet" : "http://hl7.org/fhir/ValueSet/group-measure|4.0.0"
      }
    },
    {
      "id" : "ResearchElementDefinition.characteristic.participantEffectiveDescription",
      "path" : "ResearchElementDefinition.characteristic.participantEffectiveDescription",
      "short" : "What time period do participants cover",
      "definition" : "A narrative description of the time period the study covers.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }]
    },
    {
      "id" : "ResearchElementDefinition.characteristic.participantEffective[x]",
      "path" : "ResearchElementDefinition.characteristic.participantEffective[x]",
      "short" : "What time period do participants cover",
      "definition" : "Indicates what effective period the study covers.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "dateTime"
      },
      {
        "code" : "Period"
      },
      {
        "code" : "Duration"
      },
      {
        "code" : "Timing"
      }]
    },
    {
      "id" : "ResearchElementDefinition.characteristic.participantEffectiveTimeFromStart",
      "path" : "ResearchElementDefinition.characteristic.participantEffectiveTimeFromStart",
      "short" : "Observation time from study start",
      "definition" : "Indicates duration from the participant's study entry.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "Duration"
      }]
    },
    {
      "id" : "ResearchElementDefinition.characteristic.participantEffectiveGroupMeasure",
      "path" : "ResearchElementDefinition.characteristic.participantEffectiveGroupMeasure",
      "short" : "mean | median | mean-of-mean | mean-of-median | median-of-mean | median-of-median",
      "definition" : "Indicates how elements are aggregated within the study effective period.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "code"
      }],
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "GroupMeasure"
        }],
        "strength" : "required",
        "description" : "Possible group measure aggregates (E.g. Mean, Median).",
        "valueSet" : "http://hl7.org/fhir/ValueSet/group-measure|4.0.0"
      }
    }]
  }
}


