Comparison · NCT00084929-sae
CT Colonography vs Colonoscopy: serious adverse events
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. CT Colonography vs Colonoscopy: serious adverse events. Trial comparisons, record NCT00084929-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT00084929-sae
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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 | 0 | 0.00148 | wilson | |
| Risk in group 2 | 0.000385 | 0.0000679 | 0.00218 | wilson | |
| Risk difference, group 1 minus group 2 | -0.000385 | -0.00218 | 0.00112 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | log | a group has no participants with the outcome | |||
| Odds ratio, group 1 over group 2 | log | a cell of the two-by-two table is zero | |||
| Number needed to treat, for one fewer participant with a serious adverse event on CT Colonography than on Colonoscopy | 2,600 | 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 | CT Colonography | CT colonography conducted during the same assessment as colonoscopy.~CT Colonography: CT colonography performed for comparison with colonoscopy results performed during the same screening assessment. | 0 | 2,600 | EG000 |
| Group 2 | Colonoscopy | Colonoscopy conducted during the same assessment as CT colonography | 1 | 2,600 | EG001 |
Source ClinicalTrials.gov
Harm
- What it counts
- Total, serious adverse events
- Time frame
The adverse event reporting period for this protocol is defined as the period from the initiation of the Computed Tomography Colonography (CTC) procedure and self-reported events were collected for 30 days after the last primary intervention. All participants were monitored for 30days.
Source ClinicalTrials.gov
Trial
- Title
- The National CT Colonography Trial
- NCT number
- NCT00084929
- Phases
- NA
- Conditions
- Colorectal Cancer
- Interventions
- CT Colonography
- Lead sponsor
- American College of Radiology Imaging Network
- Results first posted
- 2020-11-16
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT00084929?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.govNone 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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