Comparison · NCT01952418-434101a7
Standard Monitor (24) vs Large Monitor (32): Polyp Detection Rate (Screening Exams Only)
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. Standard Monitor (24) vs Large Monitor (32): Polyp Detection Rate (Screening Exams Only). Trial comparisons, record NCT01952418-434101a7. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT01952418-434101a7
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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 | 0.279 | 0.241 | 0.32 | wilson | |
| Risk in group 2 | 0.301 | 0.263 | 0.341 | wilson | |
| Risk difference, group 1 minus group 2 | -0.0217 | -0.0773 | 0.0342 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 0.928 | 0.765 | 1.13 | log | |
| Odds ratio, group 1 over group 2 | 0.9 | 0.686 | 1.18 | log | |
| Number needed to treat, for one fewer participant with the outcome on Standard Monitor (24) than on Large Monitor (32) | 46 | 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 | Standard Monitor (24) | Endoscopists in this arm will perform colonoscopy using the standard size video monitor (24). | 137 | 491 | OG000 |
| Group 2 | Large Monitor (32) | Subjects randomized to this group will perform colonoscopy while viewing a large video monitor (32). | 157 | 522 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- SECONDARY
- Title
- Polyp Detection Rate (Screening Exams Only)
- Description
- Number of patients with polyps detected
- Time frame
- recorded during endoscopy (immediate)
- Population
- screening exams only
Source ClinicalTrials.gov
Trial
- Title
- Effect of Video Monitor Size on Adenoma Detection Rate
- NCT number
- NCT01952418
- Phases
- NA
- Conditions
- Colon Adenoma
- Interventions
- Monitor size
- Lead sponsor
- Massachusetts General Hospital
- Results first posted
- 2017-04-14
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT01952418?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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