Trial comparisons

Response

The first 2 of this page's 20 results. GET /api/comparisons/v1?page=4

{
  "data": {
    "total": 85013,
    "results": [
      {
        "id": "NCT03133182-d04a40e3",
        "title": "Polypharmacy vs No Polypharmacy: Complications",
        "summary": "31570 of 146029 against 19815 of 120470; risk difference 5.2 points, 95% interval 4.9 to 5.5; NCT03133182, Polypharmacy and Outcomes After Elective Noncardiac Surgery",
        "record": "/library/comparisons/NCT03133182-d04a40e3",
        "nct_id": "NCT03133182",
        "kind": "outcome",
        "participants": 266499,
        "risk_difference": {
          "value": 0.05170915127837314,
          "lower": 0.04873372862875789,
          "upper": 0.05468011187102711
        },
        "group_1": "31,570 of 146,029",
        "group_2": "19,815 of 120,470",
        "difference": "5.2 points",
        "interval": "4.9 to 5.5",
        "trial_title": "Polypharmacy and Outcomes After Elective Noncardiac Surgery"
      },
      {
        "id": "NCT03133182-deaths",
        "title": "Polypharmacy vs No Polypharmacy: deaths from any cause",
        "summary": "4356 of 146029 against 1919 of 120470; risk difference 1.4 points, 95% interval 1.3 to 1.5; NCT03133182, Polypharmacy and Outcomes After Elective Noncardiac Surgery",
        "record": "/library/comparisons/NCT03133182-deaths",
        "nct_id": "NCT03133182",
        "kind": "deaths",
        "participants": 266499,
        "risk_difference": {
          "value": 0.013900414364251695,
          "lower": 0.012776965020189941,
          "upper": 0.015023645107726096
        },
        "group_1": "4,356 of 146,029",
        "group_2": "1,919 of 120,470",
        "difference": "1.4 points",
        "interval": "1.3 to 1.5",
        "trial_title": "Polypharmacy and Outcomes After Elective Noncardiac Surgery"
      }
    ],
    "no_events": 33758,
    "columns": [
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        "label": "Comparison"
      },
      {
        "key": "group_1",
        "label": "With the outcome",
        "under": "group_2"
      },
      {
        "key": "difference",
        "label": "Risk difference, 95% interval",
        "under": "interval"
      },
      {
        "key": "participants",
        "label": "Participants"
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      {
        "key": "nct_id",
        "label": "Trial",
        "under": "trial_title"
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    ],
    "order": "Most participants first",
    "kinds": {
      "all": 85013,
      "outcome": 33568,
      "serious-adverse-events": 31897,
      "deaths": 19548
    }
  },
  "release": "trial-comparisons-2026-03-23-0.1.0",
  "terms": [
    {
      "source": "ClinicalTrials.gov's posted results, through CTTI's AACT",
      "license": "ClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299",
      "notice": "ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions. The measures are ConductScience's calculation from them.",
      "short": "Freely available. Acknowledgement requested"
    },
    {
      "source": "ClinicalTrials.gov",
      "license": "none stated",
      "notice": "ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions. The measures are ConductScience's calculation from them.",
      "short": "None stated"
    }
  ],
  "next": "/api/comparisons/v1?page=5",
  "request_id": "g9acM9UMAPK_LiJ5"
}