Dissolve-E: FHIR Implementation Guide for the AWMF Guideline Registry
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: OCEBM 2011 Levels of Evidence - JSON Representation

Active as of 2025-08-06

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{
  "resourceType" : "CodeSystem",
  "id" : "cs-ocebm-2011-levels-of-evidence",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem cs-ocebm-2011-levels-of-evidence</b></p><a name=\"cs-ocebm-2011-levels-of-evidence\"> </a><a name=\"hccs-ocebm-2011-levels-of-evidence\"> </a><p>This case-insensitive code system <code>http://fhir.awmf.org/awmf.ig/CodeSystem/cs-ocebm-2011-levels-of-evidence</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td><td><b>Deutsch (German, de)</b></td></tr><tr><td style=\"white-space:nowrap\">level1<a name=\"cs-ocebm-2011-levels-of-evidence-level1\"> </a></td><td>Systematic Reviews and Randomized Trials</td><td>Includes systematic reviews of randomized trials or n-of-1 trials.</td><td>Systematische Reviews und randomisierte Studien</td></tr><tr><td style=\"white-space:nowrap\">level2<a name=\"cs-ocebm-2011-levels-of-evidence-level2\"> </a></td><td>Cohort Studies</td><td>Includes systematic reviews of cohort studies or individual cohort studies and low-quality randomized trials.</td><td>Kohortenstudien</td></tr><tr><td style=\"white-space:nowrap\">level3<a name=\"cs-ocebm-2011-levels-of-evidence-level3\"> </a></td><td>Case-Control Studies</td><td>Includes systematic reviews of case-control studies or individual case-control studies.</td><td>Fall-Kontroll-Studie</td></tr><tr><td style=\"white-space:nowrap\">level4<a name=\"cs-ocebm-2011-levels-of-evidence-level4\"> </a></td><td>Case Series</td><td>Includes case series and poor-quality cohort and case-control studies.</td><td>Fallserien</td></tr><tr><td style=\"white-space:nowrap\">level5<a name=\"cs-ocebm-2011-levels-of-evidence-level5\"> </a></td><td>Expert Opinion</td><td>Includes expert opinion without explicit critical appraisal, or based on physiology, bench research, or 'first principles'.</td><td>Expertenmeinung</td></tr></table></div>"
  },
  "url" : "http://fhir.awmf.org/awmf.ig/CodeSystem/cs-ocebm-2011-levels-of-evidence",
  "version" : "0.1.0",
  "name" : "OCEBM2011LevelsOfEvidence",
  "title" : "OCEBM 2011 Levels of Evidence",
  "status" : "active",
  "experimental" : false,
  "date" : "2025-08-06T18:15:04+00:00",
  "publisher" : "AWMF e.V.",
  "contact" : [
    {
      "name" : "AWMF e.V.",
      "telecom" : [
        {
          "system" : "url",
          "value" : "https://www.awmf.org"
        }
      ]
    }
  ],
  "description" : "CodeSystem representing the Oxford Centre for Evidence-Based Medicine 2011 Levels of Evidence.",
  "caseSensitive" : false,
  "content" : "complete",
  "count" : 5,
  "concept" : [
    {
      "code" : "level1",
      "display" : "Systematic Reviews and Randomized Trials",
      "definition" : "Includes systematic reviews of randomized trials or n-of-1 trials.",
      "_definition" : {
        "extension" : [
          {
            "extension" : [
              {
                "url" : "lang",
                "valueCode" : "de"
              },
              {
                "url" : "content",
                "valueString" : "Schließt systematische Reviews von randomisierten Studien oder n-of-1-Studien ein."
              }
            ],
            "url" : "http://hl7.org/fhir/StructureDefinition/translation"
          }
        ]
      },
      "designation" : [
        {
          "language" : "de",
          "value" : "Systematische Reviews und randomisierte Studien"
        }
      ]
    },
    {
      "code" : "level2",
      "display" : "Cohort Studies",
      "definition" : "Includes systematic reviews of cohort studies or individual cohort studies and low-quality randomized trials.",
      "_definition" : {
        "extension" : [
          {
            "extension" : [
              {
                "url" : "lang",
                "valueCode" : "de"
              },
              {
                "url" : "content",
                "valueString" : "Schließt systematische Reviews von Kohortenstudien oder einzelne Kohortenstudien oder randomisierte Studien mit niedriger Qualität ein."
              }
            ],
            "url" : "http://hl7.org/fhir/StructureDefinition/translation"
          }
        ]
      },
      "designation" : [
        {
          "language" : "de",
          "value" : "Kohortenstudien"
        }
      ]
    },
    {
      "code" : "level3",
      "display" : "Case-Control Studies",
      "definition" : "Includes systematic reviews of case-control studies or individual case-control studies.",
      "_definition" : {
        "extension" : [
          {
            "extension" : [
              {
                "url" : "lang",
                "valueCode" : "de"
              },
              {
                "url" : "content",
                "valueString" : "Schließt systematische Reviews von Fall-Kontroll-Studien oder einzelne Fall-Kontroll-Studien."
              }
            ],
            "url" : "http://hl7.org/fhir/StructureDefinition/translation"
          }
        ]
      },
      "designation" : [
        {
          "language" : "de",
          "value" : "Fall-Kontroll-Studie"
        }
      ]
    },
    {
      "code" : "level4",
      "display" : "Case Series",
      "definition" : "Includes case series and poor-quality cohort and case-control studies.",
      "_definition" : {
        "extension" : [
          {
            "extension" : [
              {
                "url" : "lang",
                "valueCode" : "de"
              },
              {
                "url" : "content",
                "valueString" : "Schließt Fallserien sowie Kohorten- und Fall-Kontroll-Studien mit niedriger Qualität ein."
              }
            ],
            "url" : "http://hl7.org/fhir/StructureDefinition/translation"
          }
        ]
      },
      "designation" : [
        {
          "language" : "de",
          "value" : "Fallserien"
        }
      ]
    },
    {
      "code" : "level5",
      "display" : "Expert Opinion",
      "definition" : "Includes expert opinion without explicit critical appraisal, or based on physiology, bench research, or 'first principles'.",
      "_definition" : {
        "extension" : [
          {
            "extension" : [
              {
                "url" : "lang",
                "valueCode" : "de"
              },
              {
                "url" : "content",
                "valueString" : "Umfasst Expertenmeinung(en) ohne explizite kritische Beurteilung oder auf der Grundlage von Physiologie, Bench Research oder First Principles"
              }
            ],
            "url" : "http://hl7.org/fhir/StructureDefinition/translation"
          }
        ]
      },
      "designation" : [
        {
          "language" : "de",
          "value" : "Expertenmeinung"
        }
      ]
    }
  ]
}