{
  "resourceType": "CodeSystem",
  "id": "definition-method",
  "meta": {
    "lastUpdated": "2023-03-26T15:21:02.749+11:00",
    "profile": [
      "http://hl7.org/fhir/StructureDefinition/shareablecodesystem"
    ]
  },
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n            <p>This code system \n              <code>http://hl7.org/fhir/definition-method</code> defines the following codes:\n            </p>\n            <table class=\"codes\">\n              <tr>\n                <td style=\"white-space:nowrap\">\n                  <b>Code</b>\n                </td>\n                <td>\n                  <b>Display</b>\n                </td>\n                <td>\n                  <b>Definition</b>\n                </td>\n              </tr>\n              <tr>\n                <td style=\"white-space:nowrap\">systematic-assessment\n                  <a name=\"definition-method-systematic-assessment\"> </a>\n                </td>\n                <td>Systematic Assessment</td>\n                <td>Any method of routinely determining whether or not specific outcomes (e.g. adverse events) have occurred, for example through a standard questionnaire, regular investigator assessment, regular laboratory testing, or other method</td>\n              </tr>\n              <tr>\n                <td style=\"white-space:nowrap\">non-systematic-assessment\n                  <a name=\"definition-method-non-systematic-assessment\"> </a>\n                </td>\n                <td>Non-Systematic Assessment</td>\n                <td>Any non-systematic method for determining whether or not adverse events have occurred, such as self-reporting by participants or occasional assessment/testing</td>\n              </tr>\n              <tr>\n                <td style=\"white-space:nowrap\">mean\n                  <a name=\"definition-method-mean\"> </a>\n                </td>\n                <td>Mean</td>\n                <td>Aggregated using mean of observed values.</td>\n              </tr>\n              <tr>\n                <td style=\"white-space:nowrap\">median\n                  <a name=\"definition-method-median\"> </a>\n                </td>\n                <td>Median</td>\n                <td>Aggregated using median of observed values.</td>\n              </tr>\n              <tr>\n                <td style=\"white-space:nowrap\">mean-of-mean\n                  <a name=\"definition-method-mean-of-mean\"> </a>\n                </td>\n                <td>Mean of Means</td>\n                <td>Aggregated using mean of means (e.g. study mean values).</td>\n              </tr>\n              <tr>\n                <td style=\"white-space:nowrap\">mean-of-median\n                  <a name=\"definition-method-mean-of-median\"> </a>\n                </td>\n                <td>Mean of Medians</td>\n                <td>Aggregated using mean of medians (e.g. study median values).</td>\n              </tr>\n              <tr>\n                <td style=\"white-space:nowrap\">median-of-mean\n                  <a name=\"definition-method-median-of-mean\"> </a>\n                </td>\n                <td>Median of Means</td>\n                <td>Aggregated using median of means (e.g. study mean values).</td>\n              </tr>\n              <tr>\n                <td style=\"white-space:nowrap\">median-of-median\n                  <a name=\"definition-method-median-of-median\"> </a>\n                </td>\n                <td>Median of Medians</td>\n                <td>Aggregated using median of medians (e.g. study median values).</td>\n              </tr>\n            </table>\n          </div>"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "cds"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode": "draft"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 1
    }
  ],
  "url": "http://hl7.org/fhir/definition-method",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.4.1953"
    }
  ],
  "version": "5.0.0",
  "name": "DefinitionMethod",
  "title": "Definition Method",
  "status": "active",
  "experimental": false,
  "date": "2020-12-28T16:55:11+11:00",
  "publisher": "HL7 (FHIR Project)",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://hl7.org/fhir"
        },
        {
          "system": "email",
          "value": "fhir@lists.hl7.org"
        }
      ]
    }
  ],
  "description": "The method used to define, describe, or determine a characteristic value.",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code": "001",
          "display": "World"
        }
      ]
    }
  ],
  "caseSensitive": true,
  "valueSet": "http://hl7.org/fhir/ValueSet/definition-method",
  "content": "complete",
  "concept": [
    {
      "code": "systematic-assessment",
      "display": "Systematic Assessment",
      "definition": "Any method of routinely determining whether or not specific outcomes (e.g. adverse events) have occurred, for example through a standard questionnaire, regular investigator assessment, regular laboratory testing, or other method"
    },
    {
      "code": "non-systematic-assessment",
      "display": "Non-Systematic Assessment",
      "definition": "Any non-systematic method for determining whether or not adverse events have occurred, such as self-reporting by participants or occasional assessment/testing"
    },
    {
      "code": "mean",
      "display": "Mean",
      "definition": "Aggregated using mean of observed values."
    },
    {
      "code": "median",
      "display": "Median",
      "definition": "Aggregated using median of observed values."
    },
    {
      "code": "mean-of-mean",
      "display": "Mean of Means",
      "definition": "Aggregated using mean of means (e.g. study mean values)."
    },
    {
      "code": "mean-of-median",
      "display": "Mean of Medians",
      "definition": "Aggregated using mean of medians (e.g. study median values)."
    },
    {
      "code": "median-of-mean",
      "display": "Median of Means",
      "definition": "Aggregated using median of means (e.g. study mean values)."
    },
    {
      "code": "median-of-median",
      "display": "Median of Medians",
      "definition": "Aggregated using median of medians (e.g. study median values)."
    }
  ]
}