Dissolve-E: AWMF Guideline Registry
0.2.0 - ci-build

Dissolve-E: AWMF Guideline Registry - Local Development build (v0.2.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

## : OCEBM 2011 Levels of Evidence - JSON Representation

Active as of 2026-01-29

Raw json | Download

    {
      "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" : "0.2.0",
      "name" : "OCEBM2011LevelsOfEvidence",
      "title" : "OCEBM 2011 Levels of Evidence",
      "status" : "active",
      "experimental" : false,
      "date" : "2026-01-29T18:27:10+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"
            }
          ]
        }
      ]
    }