Comparison · NCT02787044-deaths
High Dose Influenza Vaccine vs Standard Dose Influenza Vaccine: deaths from any cause
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. High Dose Influenza Vaccine vs Standard Dose Influenza Vaccine: deaths from any cause. Trial comparisons, record NCT02787044-deaths. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT02787044-deaths
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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 | 0.0848 | 0.0747 | 0.0961 | wilson | |
| Risk in group 2 | 0.0844 | 0.0744 | 0.0957 | wilson | |
| Risk difference, group 1 minus group 2 | 0.00038 | -0.0147 | 0.0155 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 1 | 0.841 | 1.2 | log | |
| Odds ratio, group 1 over group 2 | 1 | 0.828 | 1.22 | log | |
| Number needed to harm, for one more death from any cause on High Dose Influenza Vaccine than on Standard Dose Influenza Vaccine | 2,630 | 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 | High Dose Influenza Vaccine | High Dose Influenza Vaccine~High Dose Trivalent Influenza Vaccine: High Dose Trivalent Influenza Vaccine | 223 | 2,630 | EG000 |
| Group 2 | Standard Dose Influenza Vaccine | Standard Dose Influenza Vaccine~Standard Dose Quadrivalent Influenza Vaccine: Standard Dose Quadrivalent Influenza Vaccine | 222 | 2,630 | EG001 |
Source ClinicalTrials.gov
Harm
- What it counts
- Total, all-cause mortality
- Time frame
- 1 week for post-vaccination adverse events; 1-3 years, depending on length of participation for serious adverse events
Source ClinicalTrials.gov
Trial
- Title
- INfluenza Vaccine to Effectively Stop Cardio Thoracic Events and Decompensated Heart Failure
- NCT number
- NCT02787044
- Phases
- PHASE4
- Conditions
- Heart Failure, Myocardial Infarction
- Interventions
- High Dose Trivalent Influenza Vaccine, Standard Dose Quadrivalent Influenza Vaccine
- Lead sponsor
- Brigham and Women's Hospital
- Results first posted
- 2021-09-14
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT02787044?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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