Comparison · NCT01923129-65afe3f2
24 Hour Postop Catheter Removal vs 72 Hour Postoperative Catheter Removal: Number of Participants With Acute Urinary Retention
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
2 sourcestrial-comparisons-2026-03-23-0.1.0
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ConductScience Library. 24 Hour Postop Catheter Removal vs 72 Hour Postoperative Catheter Removal: Number of Participants With Acute Urinary Retention. Trial comparisons, record NCT01923129-65afe3f2. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT01923129-65afe3f2
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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 | 0.0845 | 0.0393 | 0.172 | wilson | |
| Risk in group 2 | 0.0986 | 0.0486 | 0.19 | wilson | |
| Risk difference, group 1 minus group 2 | -0.0141 | -0.116 | 0.087 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 0.857 | 0.303 | 2.42 | log | |
| Odds ratio, group 1 over group 2 | 0.844 | 0.269 | 2.65 | log | |
| Number needed to treat, for one fewer participant with the outcome on 24 Hour Postop Catheter Removal than on 72 Hour Postoperative Catheter Removal | 71 | 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 | 24 Hour Postop Catheter Removal | group will receive the study medication prazosin ( 1 mg PO) 6 hours prior to catheter discontinuation (24 hours postoperatively)~Prazosin given 6 hours prior to catheter removal in the 24 hour group: Prazosin given orally (1 mg) 6 hours prior to catheter removal (hour 18 postoperatively) | 6 | 71 | OG000 |
| Group 2 | 72 Hour Postoperative Catheter Removal | catheter removed on postoperative day 3 (72 hours postoperatively) | 7 | 71 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- PRIMARY
- Title
- Number of Participants With Acute Urinary Retention
- Description
- Acute urinary retention will be defined as catheter discontinuation with inability to void 6 hours post-removal, or void with post-void residual greater than 200 cc of urine.
- Time frame
- Postoperative day 1 or postpoperative 3 depending on group randomization
- Population
Source ClinicalTrials.gov
Trial
- Title
- Optimal Duration of Indwelling Urinary Catheter Following Pelvic Surgery
- NCT number
- NCT01923129
- Phases
- NA
- Conditions
- Urinary Retention
- Interventions
- Prazosin given 6 hours prior to catheter removal in the 24 hour group
- Lead sponsor
- Cedars-Sinai Medical Center
- Results first posted
- 2019-02-20
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT01923129?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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