Acetylsalicylic Acid vs Placebo: serious adverse events
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
Measures 6
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
| Measure | Value | 95% interval, lower | 95% interval, upper | Method | Note | Source |
|---|---|---|---|---|---|---|
| Risk in group 1 | 0.202 | 0.192 | 0.212 | wilson | ClinicalTrials.gov | |
| Risk in group 2 | 0.209 | 0.199 | 0.219 | wilson | ClinicalTrials.gov | |
| Risk difference, group 1 minus group 2 | -0.00698 | -0.0211 | 0.00716 | newcombe hybrid score | ClinicalTrials.gov | |
| Risk ratio, group 1 over group 2 | 0.967 | 0.902 | 1.04 | log | ClinicalTrials.gov | |
| Odds ratio, group 1 over group 2 | 0.958 | 0.879 | 1.04 | log | ClinicalTrials.gov | |
| Number needed to treat, for one fewer participant with a serious adverse event on Acetylsalicylic Acid than on Placebo | 143 | from the risk difference interval | the interval includes no difference | ClinicalTrials.gov |
Groups 2
Group 2 names the comparator: placebo.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code | Source |
|---|---|---|---|---|---|---|
| Group 1 | Acetylsalicylic Acid | Subjects received 1 tablet of enteric-coated acetylsalicylic acid \[100 milligram (mg)\] orally one daily. | 1,266 | 6,270 | EG001 | ClinicalTrials.gov |
| Group 2 | Placebo | Subjects received 1 tablets of matching placebo orally once daily. | 1,311 | 6,276 | EG000 | ClinicalTrials.gov |
Harm 2
| Field | Value | Source |
|---|---|---|
| What it counts | Total, serious adverse events | ClinicalTrials.gov |
| Time frame | Until follow-up (approximately 6 years) | ClinicalTrials.gov |
Trial 8
| Field | Value | Source |
|---|---|---|
| Title | A Study to Assess the Efficacy and Safety of Enteric-Coated Acetylsalicylic Acid in Patients at Moderate Risk of Cardiovascular Disease | ClinicalTrials.gov |
| NCT number | NCT00501059 | ClinicalTrials.gov |
| Phases | PHASE3 | ClinicalTrials.gov |
| Conditions | Moderate Risk of CVD | ClinicalTrials.gov |
| Interventions | Aspirin (Acetylsalicylic acid, BAYE4465), Placebo | ClinicalTrials.gov |
| Lead sponsor | Bayer | ClinicalTrials.gov |
| Results first posted | 2018-01-08 | ClinicalTrials.gov |
| Results on ClinicalTrials.gov | https://clinicaltrials.gov/study/NCT00501059?tab=results | ClinicalTrials.gov |
Source 4
| Field | Value | Source |
|---|---|---|
| Release | trial-comparisons-2026-03-23-0.1.0 | ClinicalTrials.gov |
| Release manifest SHA-256 | f66225897fbf258b57ea10bdacfd0347d3cdfda93f7f5685234b7e06ea36fa57 | ClinicalTrials.gov |
| AACT copy | 2026-03-23 | ClinicalTrials.gov |
| 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 | ClinicalTrials.gov |
Release trial-comparisons-2026-03-23-0.1.0
ClinicalTrials.gov's posted results, through CTTI's AACT: ClinicalTrials.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.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.
ClinicalTrials.gov: none 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.