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{ "resourceType" : "CodeSystem", "id" : "study-type", "meta" : { "lastUpdated" : "2020-04-09T21:10:28.568+00:00" }, "text" : { "status" : "generated", "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n \n <h2>StatisticStudyType</h2>\n \n <div>\n \n <p>The type of study a statistic was derived from.</p>\n\n \n </div>\n \n <p>This code system http://terminology.hl7.org/CodeSystem/study-type defines the following codes:</p>\n \n <table class=\"codes\">\n \n <tr>\n \n <td style=\"white-space:nowrap\">\n \n <b>Code</b>\n \n </td>\n \n <td>\n \n <b>Display</b>\n \n </td>\n \n <td>\n \n <b>Definition</b>\n \n </td>\n \n </tr>\n \n <tr>\n \n <td style=\"white-space:nowrap\">RCT\n \n <a name=\"study-type-RCT\"> </a>\n \n </td>\n \n <td>randomized trial</td>\n \n <td>randomized controlled trial.</td>\n \n </tr>\n \n <tr>\n \n <td style=\"white-space:nowrap\">CCT\n \n <a name=\"study-type-CCT\"> </a>\n \n </td>\n \n <td>controlled trial (non-randomized)</td>\n \n <td>controlled (but not randomized) trial.</td>\n \n </tr>\n \n <tr>\n \n <td style=\"white-space:nowrap\">cohort\n \n <a name=\"study-type-cohort\"> </a>\n \n </td>\n \n <td>comparative cohort study</td>\n \n <td>observational study comparing cohorts.</td>\n \n </tr>\n \n <tr>\n \n <td style=\"white-space:nowrap\">case-control\n \n <a name=\"study-type-case-control\"> </a>\n \n </td>\n \n <td>case-control study</td>\n \n <td>case-control study.</td>\n \n </tr>\n \n <tr>\n \n <td style=\"white-space:nowrap\">series\n \n <a name=\"study-type-series\"> </a>\n \n </td>\n \n <td>uncontrolled case series</td>\n \n <td>uncontrolled case series.</td>\n \n </tr>\n \n <tr>\n \n <td style=\"white-space:nowrap\">case-report\n \n <a name=\"study-type-case-report\"> </a>\n \n </td>\n \n <td>case report</td>\n \n <td>a single case report.</td>\n \n </tr>\n \n <tr>\n \n <td style=\"white-space:nowrap\">RCTandCohort\n \n <a name=\"study-type-RCTandCohort\"> </a>\n \n </td>\n \n <td>mixed RCT and cohort</td>\n \n <td>a combination of 1 or more RCTs and cohorts.</td>\n \n </tr>\n \n <tr>\n \n <td style=\"white-space:nowrap\">cross-section\n \n <a name=\"study-type-cross-section\"> </a>\n \n </td>\n \n <td>cross sectional study</td>\n \n <td>uncontrolled cohort.</td>\n \n </tr>\n \n </table>\n \n </div>" }, "url" : "http://terminology.hl7.org/CodeSystem/study-type", "identifier" : [ { "system" : "urn:ietf:rfc:3986", "value" : "urn:oid:2.16.840.1.113883.4.642.1.1350" } ], "version" : "4.2.0", "name" : "StatisticStudyType", "title" : "StatisticStudyType", "status" : "draft", "experimental" : false, "date" : "2020-04-09T21:10:28+00:00", "publisher" : "HL7 (FHIR Project)", "contact" : [ { "telecom" : [ { "system" : "url", "value" : "http://hl7.org/fhir" }, { "system" : "email", "value" : "fhir@lists.hl7.org" } ] } ], "description" : "The type of study a statistic was derived from.", "caseSensitive" : true, "valueSet" : "http://terminology.hl7.org/ValueSet/study-type", "content" : "complete", "concept" : [ { "code" : "RCT", "display" : "randomized trial", "definition" : "randomized controlled trial." }, { "code" : "CCT", "display" : "controlled trial (non-randomized)", "definition" : "controlled (but not randomized) trial." }, { "code" : "cohort", "display" : "comparative cohort study", "definition" : "observational study comparing cohorts." }, { "code" : "case-control", "display" : "case-control study", "definition" : "case-control study." }, { "code" : "series", "display" : "uncontrolled case series", "definition" : "uncontrolled case series." }, { "code" : "case-report", "display" : "case report", "definition" : "a single case report." }, { "code" : "RCTandCohort", "display" : "mixed RCT and cohort", "definition" : "a combination of 1 or more RCTs and cohorts." }, { "code" : "cross-section", "display" : "cross sectional study", "definition" : "uncontrolled cohort." } ] }