{
  "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\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem study-type</b></p><a name=\"study-type\"> </a><a name=\"hcstudy-type\"> </a><a name=\"study-type-en-US\"> </a><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">Last updated: 2020-04-09 21:10:28+0000</p></div><p>This case-sensitive code system <code>http://terminology.hl7.org/CodeSystem/study-type</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></tr><tr><td style=\"white-space:nowrap\">RCT<a name=\"study-type-RCT\"> </a></td><td>randomized trial</td><td>randomized controlled trial.</td></tr><tr><td style=\"white-space:nowrap\">CCT<a name=\"study-type-CCT\"> </a></td><td>controlled trial (non-randomized)</td><td>controlled (but not randomized) trial.</td></tr><tr><td style=\"white-space:nowrap\">cohort<a name=\"study-type-cohort\"> </a></td><td>comparative cohort study</td><td>observational study comparing cohorts.</td></tr><tr><td style=\"white-space:nowrap\">case-control<a name=\"study-type-case-control\"> </a></td><td>case-control study</td><td>case-control study.</td></tr><tr><td style=\"white-space:nowrap\">series<a name=\"study-type-series\"> </a></td><td>uncontrolled case series</td><td>uncontrolled case series.</td></tr><tr><td style=\"white-space:nowrap\">case-report<a name=\"study-type-case-report\"> </a></td><td>case report</td><td>a single case report.</td></tr><tr><td style=\"white-space:nowrap\">RCTandCohort<a name=\"study-type-RCTandCohort\"> </a></td><td>mixed RCT and cohort</td><td>a combination of 1 or more RCTs and cohorts.</td></tr><tr><td style=\"white-space:nowrap\">cross-section<a name=\"study-type-cross-section\"> </a></td><td>cross sectional study</td><td>uncontrolled cohort.</td></tr></table></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" : "1.0.0",
  "name" : "StatisticStudyType",
  "title" : "StatisticStudyType",
  "status" : "draft",
  "experimental" : false,
  "date" : "2020-04-09T21:10:28+00:00",
  "publisher" : "Health Level Seven International",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org"
    },
    {
      "system" : "email",
      "value" : "hq@HL7.org"
    }]
  }],
  "description" : "The type of study a statistic was derived from.",
  "copyright" : "This material derives from the HL7 Terminology (THO). THO is copyright ©1989+ Health Level Seven International and is made available under the CC0 designation. For more licensing information see: https://terminology.hl7.org/license.html",
  "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."
  }]
}