Comparison · NCT00458783-0c39b3cd
Prolonged RBC Storage vs Short RBC Storage: Effect of RBC Age on Occurrence of Atrial Fibrillation
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. Prolonged RBC Storage vs Short RBC Storage: Effect of RBC Age on Occurrence of Atrial Fibrillation. Trial comparisons, record NCT00458783-0c39b3cd. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT00458783-0c39b3cd
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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 | 0.347 | 0.312 | 0.383 | wilson | |
| Risk in group 2 | 0.368 | 0.333 | 0.404 | wilson | |
| Risk difference, group 1 minus group 2 | -0.0211 | -0.0713 | 0.0293 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 0.943 | 0.818 | 1.09 | log | |
| Odds ratio, group 1 over group 2 | 0.912 | 0.732 | 1.14 | log | |
| Number needed to treat, for one fewer participant with the outcome on Prolonged RBC Storage than on Short RBC Storage | 47.4 | 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 | Prolonged RBC Storage | Transfusion with oldest available matching RBCs.~Prolonged RBC storage: Transfusion with oldest available matching RBCs | 238 | 686 | OG000 |
| Group 2 | Short RBC Storage | Transfusion with youngest available matching RBCs.~Short RBC storage: Transfusion with youngest available matching RBCs | 258 | 701 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- PRIMARY
- Title
- Effect of RBC Age on Occurrence of Atrial Fibrillation
- Description
- Aim is to Determine Whether Length of Storage of Red Blood Cells is Related to Postoperative Atrial fibrillation in Patients Undergoing Cardiac Surgery.
- Time frame
- 30 days post surgery.
- Population
Source ClinicalTrials.gov
Trial
- Title
- Red Cell Storage Duration and Outcomes in Cardiac Surgery
- NCT number
- NCT00458783
- Phases
- NA
- Conditions
- Blood Transfusion, Cardiac Surgery
- Interventions
- Prolonged RBC storage, Short RBC storage
- Lead sponsor
- The Cleveland Clinic
- Results first posted
- 2021-06-03
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT00458783?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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