Comparison · NCT00032630-3f56e56d
On Pump vs Off Pump: Short-term End Point
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
2 sourcestrial-comparisons-2026-03-23-0.1.0
Cite this record
ConductScience Library. On Pump vs Off Pump: Short-term End Point. Trial comparisons, record NCT00032630-3f56e56d. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT00032630-3f56e56d
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Measures6
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
| Measure | Value | 95% interval, lower | 95% interval, upper | Method | Note |
|---|---|---|---|---|---|
| Risk in group 1 | 0.0555 | 0.0435 | 0.0707 | wilson | |
| Risk in group 2 | 0.0697 | 0.0562 | 0.0863 | wilson | |
| Risk difference, group 1 minus group 2 | -0.0142 | -0.0347 | 0.0061 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 0.796 | 0.575 | 1.1 | log | |
| Odds ratio, group 1 over group 2 | 0.784 | 0.554 | 1.11 | log | |
| Number needed to treat, for one fewer participant with the outcome on On Pump than on Off Pump | 70.2 | from the risk difference interval | the interval includes no difference |
Source ClinicalTrials.gov
Groups2
Neither group, or both, names a comparator, so the groups keep ClinicalTrials.gov's order.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code |
|---|---|---|---|---|---|
| Group 1 | On Pump | Coronary artery bypass performed on a non beating heart using a heart-lung machine | 61 | 1,099 | OG000 |
| Group 2 | Off Pump | Coronary artery bypass performed on a beating heart with no heart-lung machine | 77 | 1,104 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- PRIMARY
- Title
- Short-term End Point
- Description
Short-term end point was a composite of death or major complications (reoperation, new mechanical support, cardiac arrest, coma, stroke, or renal failure requiring dialysis) occuring within 30 days after surgery or before discharge, whichever was later.
- Time frame
- 30 day
- Population
Source ClinicalTrials.gov
Trial
- Title
- Outcomes Following Myocardial Revascularization: On and Off Cardiopulmonary Bypass
- NCT number
- NCT00032630
- Phases
- PHASE3
- Conditions
- Ischemic Heart Disease
- Interventions
- Coronary artery bypass - on-pump, Coronary artery bypass - off-pump
- Lead sponsor
- US Department of Veterans Affairs
- Results first posted
- 2014-01-10
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT00032630?tab=results
Source ClinicalTrials.gov
Source
- Release
- trial-comparisons-2026-03-23-0.1.0
- Release manifest SHA-256
- f66225897fbf258b57ea10bdacfd0347d3cdfda93f7f5685234b7e06ea36fa57
- AACT copy
- 2026-03-23
- Tables read
- outcome_counts.parquet, outcome_measurements.parquet, outcomes.parquet, reported_event_totals.parquet, reported_events.parquet, result_groups.parquet, studies.parquet, ctgov_trial.parquet
Source ClinicalTrials.gov
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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