Trial comparisons

Response

The first 2 of this page's 20 results. GET /api/comparisons/v1?page=70

{
  "data": {
    "total": 85013,
    "results": [
      {
        "id": "NCT00706121-46b5a230",
        "title": "Active Selenium vs Selenium Placebo: Effect of Selenium on Advanced Neoplasia, Analyzed by Active Selenium vs. Selenium Placebo",
        "summary": "269 of 3326 against 282 of 3220; risk difference -0.7 points, 95% interval -2.0 to 0.7; NCT00706121, S0000D: Effect of Vitamin E and/or Selenium on Colorectal Polyps in Men Enrolled on SELECT Trial SWOG-S0000",
        "record": "/library/comparisons/NCT00706121-46b5a230",
        "nct_id": "NCT00706121",
        "kind": "outcome",
        "participants": 6546,
        "risk_difference": {
          "value": -0.0066997083023645765,
          "lower": -0.02021120543514147,
          "upper": 0.006764684362374309
        },
        "group_1": "269 of 3,326",
        "group_2": "282 of 3,220",
        "difference": "-0.7 points",
        "interval": "-2.0 to 0.7",
        "trial_title": "S0000D: Effect of Vitamin E and/or Selenium on Colorectal Polyps in Men Enrolled on SELECT Trial SWOG-S0000"
      },
      {
        "id": "NCT00706121-beeb9847",
        "title": "Active Selenium vs Selenium Placebo: Effect of Selenium on Colorectal Adenoma (CRA) Occurrence, Analyzed by Active Selenium vs. Selenium Placebo",
        "summary": "1136 of 3326 against 1150 of 3220; risk difference -1.6 points, 95% interval -3.9 to 0.8; NCT00706121, S0000D: Effect of Vitamin E and/or Selenium on Colorectal Polyps in Men Enrolled on SELECT Trial SWOG-S0000",
        "record": "/library/comparisons/NCT00706121-beeb9847",
        "nct_id": "NCT00706121",
        "kind": "outcome",
        "participants": 6546,
        "risk_difference": {
          "value": -0.015591444034017687,
          "lower": -0.038675895594027905,
          "upper": 0.007504165123918018
        },
        "group_1": "1,136 of 3,326",
        "group_2": "1,150 of 3,220",
        "difference": "-1.6 points",
        "interval": "-3.9 to 0.8",
        "trial_title": "S0000D: Effect of Vitamin E and/or Selenium on Colorectal Polyps in Men Enrolled on SELECT Trial SWOG-S0000"
      }
    ],
    "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"
      },
      {
        "key": "nct_id",
        "label": "Trial",
        "under": "trial_title"
      }
    ],
    "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=71",
  "request_id": "Xm3VeW4Xt5VMLIdh"
}