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85,013 comparisons from ClinicalTrials.gov.

85,013 comparisons

Most participants first33,758 with no events in either group come last3,641 to 3,660 of 85,013

Show the results as
ComparisonWith the outcomeRisk difference, 95% intervalParticipantsTrial
Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With All Stroke (Ischemic Stroke, and Hemorrhagic Stroke)6 of 948

12 of 957

-0.6 points

-1.6 to 0.3

1,905NCT01205776

EXCEL Clinical Trial

Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With All-cause Death, Protocol Defined MI or Protocol Defined Stroke137 of 948

135 of 957

0.3 points

-2.8 to 3.5

1,905NCT01205776

EXCEL Clinical Trial

Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With Requirement for Blood Product Transfusion52 of 948

131 of 957

-8.2 points

-10.9 to -5.6

1,905NCT01205776

EXCEL Clinical Trial

Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With All-cause Death, Protocol Defined MI or Protocol Defined Stroke80 of 948

106 of 957

-2.6 points

-5.3 to 0.0

1,905NCT01205776

EXCEL Clinical Trial

Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With Protocol Defined MI74 of 948

78 of 957

-0.3 points

-2.8 to 2.1

1,905NCT01205776

EXCEL Clinical Trial

Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With Thrombolysis in Myocardial Infarction (TIMI) Major or Minor Bleeding35 of 948

85 of 957

-5.2 points

-7.4 to -3.0

1,905NCT01205776

EXCEL Clinical Trial

Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With Graft Stenosis or Occlusion0 of 948

33 of 957

-3.4 points

-4.8 to -2.4

1,905NCT01205776

EXCEL Clinical Trial

Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With Ischemia Driven Revascularizations62 of 948

40 of 957

2.4 points

0.3 to 4.4

1,905NCT01205776

EXCEL Clinical Trial

Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With Ischemia Driven Revascularizations6 of 948

13 of 957

-0.7 points

-1.7 to 0.2

1,905NCT01205776

EXCEL Clinical Trial

Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With All Stroke (Ischemic Stroke, and Hemorrhagic Stroke)23 of 948

30 of 957

-0.7 points

-2.2 to 0.8

1,905NCT01205776

EXCEL Clinical Trial

Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With Death, Protocol Defined MI, Protocol Defined Stroke or Unplanned Revascularization for Ischemia79 of 948

112 of 957

-3.4 points

-6.1 to -0.7

1,905NCT01205776

EXCEL Clinical Trial

Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With Graft Stenosis or Occlusion0 of 948

53 of 957

-5.5 points

-7.2 to -4.2

1,905NCT01205776

EXCEL Clinical Trial

Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With All-cause Death, Protocol Defined MI or Protocol Defined Stroke115 of 948

122 of 957

-0.6 points

-3.6 to 2.4

1,905NCT01205776

EXCEL Clinical Trial

Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With Thrombolysis in Myocardial Infarction (TIMI) Major or Minor Bleeding119 of 948

137 of 957

-1.8 points

-4.8 to 1.3

1,905NCT01205776

EXCEL Clinical Trial

Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With Definite Stent Thrombosis or Symptomatic Graft Occlusion5 of 948

43 of 957

-4.0 points

-5.5 to -2.6

1,905NCT01205776

EXCEL Clinical Trial

Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With Graft Stenosis or Occlusion0 of 948

58 of 957

-6.1 points

-7.8 to -4.7

1,905NCT01205776

EXCEL Clinical Trial

Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With All-cause Mortality (Cardiac Death and Non-cardiac Death)74 of 948

54 of 957

2.2 points

-0.1 to 4.4

1,905NCT01205776

EXCEL Clinical Trial

Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With Bleeding Academic Research Consortium (BARC) Bleeding113 of 948

153 of 957

-4.1 points

-7.2 to -1.0

1,905NCT01205776

EXCEL Clinical Trial

Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With Thrombolysis in Myocardial Infarction (TIMI) Major or Minor Bleeding114 of 948

132 of 957

-1.8 points

-4.8 to 1.3

1,905NCT01205776

EXCEL Clinical Trial

Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With Death, Protocol Defined MI, Protocol Defined Stroke or Unplanned Revascularization for Ischemia46 of 948

80 of 957

-3.5 points

-5.8 to -1.3

1,905NCT01205776

EXCEL Clinical Trial

Request

GET /api/comparisons/v1

Words from a trial's title, conditions or interventions, its outcome or its groups, or an NCT number.

An outcome counted in participants, the serious adverse events, or the deaths from any cause.

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Code

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curl "https://conductscience.org/api/comparisons/v1?page=183"

Response

The first 2 of this page's 20 results. GET /api/comparisons/v1?page=183

{
  "data": {
    "total": 85013,
    "results": [
      {
        "id": "NCT01205776-9f293ac9",
        "title": "Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With All Stroke (Ischemic Stroke, and Hemorrhagic Stroke)",
        "summary": "6 of 948 against 12 of 957; risk difference -0.6 points, 95% interval -1.6 to 0.3; NCT01205776, EXCEL Clinical Trial",
        "record": "/library/comparisons/NCT01205776-9f293ac9",
        "nct_id": "NCT01205776",
        "kind": "outcome",
        "participants": 1905,
        "risk_difference": {
          "value": -0.006210071028927423,
          "lower": -0.016073575066496405,
          "upper": 0.0029305686541841727
        },
        "group_1": "6 of 948",
        "group_2": "12 of 957",
        "difference": "-0.6 points",
        "interval": "-1.6 to 0.3",
        "trial_title": "EXCEL Clinical Trial"
      },
      {
        "id": "NCT01205776-a39d0e95",
        "title": "Percutaneous Coronary Intervention (PCI) vs Coronary Artery Bypass Graft (CABG): Number of Participants With All-cause Death, Protocol Defined MI or Protocol Defined Stroke",
        "summary": "137 of 948 against 135 of 957; risk difference 0.3 points, 95% interval -2.8 to 3.5; NCT01205776, EXCEL Clinical Trial",
        "record": "/library/comparisons/NCT01205776-a39d0e95",
        "nct_id": "NCT01205776",
        "kind": "outcome",
        "participants": 1905,
        "risk_difference": {
          "value": 0.0034489372114863415,
          "lower": -0.02802623753986261,
          "upper": 0.034953400306999304
        },
        "group_1": "137 of 948",
        "group_2": "135 of 957",
        "difference": "0.3 points",
        "interval": "-2.8 to 3.5",
        "trial_title": "EXCEL Clinical Trial"
      }
    ],
    "no_events": 33758,
    "columns": [
      {
        "key": "title",
        "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": "No license stated"
    }
  ],
  "next": "/api/comparisons/v1?page=184",
  "request_id": "plMCaM0gRCD4fcaj"
}

Ask about these results. The first 10 go in the prompt.

About this data
Holds
85,013 comparisons
From ClinicalTrials.gov. Counted 10 Nov 2026.
Release
23 Mar 2026
trial-comparisons-2026-03-23-0.1.0
Checked
20 of 20 review comparisons traced to ClinicalTrials.gov, and all 510,078 numbers calculated again apart from the builder agree
Access
Open
No account. 60 calls a minute from one address.

Sources 2

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.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
  • ClinicalTrials.govnone stated

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.

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Every answer on this page is also JSON, under /api/comparisons/v1. No key.

GET https://conductscience.org/api/comparisons/v1?q=placebo%20heart%20failure&kind=outcome

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