Comparison · NCT01924442-deaths
On-Pump vs Off-Pump: deaths from any cause
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: deaths from any cause. Trial comparisons, record NCT01924442-deaths. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT01924442-deaths
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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 | 0.119 | 0.101 | 0.14 | wilson | |
| Risk in group 2 | 0.152 | 0.132 | 0.175 | wilson | |
| Risk difference, group 1 minus group 2 | -0.033 | -0.0616 | -0.00435 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 0.783 | 0.633 | 0.969 | log | |
| Odds ratio, group 1 over group 2 | 0.754 | 0.59 | 0.964 | log | |
| Number needed to treat, for one fewer death from any cause on On-Pump than on Off-Pump | 30.3 | 16.2 | 230 | from the risk difference interval |
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 | Cardiac bypass using Heart Lung Machine | 131 | 1,099 | EG000 |
| Group 2 | Off-Pump | Cardiac bypass surgery on beating heart | 168 | 1,104 | EG001 |
Source ClinicalTrials.gov
Harm
- What it counts
- Total, all-cause mortality
- Time frame
- 5 Years
Source ClinicalTrials.gov
Trial
- Title
- ROOBY Trial Follow-up Extension
- NCT number
- NCT01924442
- Phases
- Conditions
- All Cause Mortality, MACE
- Interventions
- Lead sponsor
- VA Office of Research and Development
- Results first posted
- 2019-06-07
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT01924442?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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