Comparison · NCT03165617-sae
QIVc (≥2 Years to <18 Years of Age) vs Non-Influenza Comparator Vaccine: 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. QIVc (≥2 Years to <18 Years of Age) vs Non-Influenza Comparator Vaccine: serious adverse events. Trial comparisons, record NCT03165617-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT03165617-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 | 0.0111 | 0.00751 | 0.0163 | wilson | |
| Risk in group 2 | 0.0133 | 0.00933 | 0.0189 | wilson | |
| Risk difference, group 1 minus group 2 | -0.00223 | -0.00889 | 0.00433 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 0.832 | 0.491 | 1.41 | log | |
| Odds ratio, group 1 over group 2 | 0.83 | 0.487 | 1.42 | log | |
| Number needed to treat, for one fewer participant with a serious adverse event on QIVc (≥2 Years to <18 Years of Age) than on Non-Influenza Comparator Vaccine | 448 | 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 | QIVc (≥2 Years to <18 Years of Age) | Cell-derived Seasonal Quadrivalent Influenza Vaccine~QIVc: Cell-derived Quadrivalent Influenza Vaccine for intramuscular use containing each of the 2 influenza type A strains and each of the 2 influenza type B strains | 25 | 2,258 | EG000 |
| Group 2 | Non-Influenza Comparator Vaccine | Non-Influenza Comparator Vaccine~Non-influenza Comparator Vaccine: Non-influenza comparator vaccine for intramuscular use | 30 | 2,255 | EG001 |
Source ClinicalTrials.gov
Harm
- What it counts
- Total, serious adverse events
- Time frame
- Day 1 through end of study
Source ClinicalTrials.gov
Trial
- Title
- Clinical Study to Evaluate the Efficacy, Safety and Immunogenicity of QIVc in Subjects ≥2 to <18 Years of Age
- NCT number
- NCT03165617
- Phases
- PHASE3
- Conditions
- Influenza, Human
- Interventions
- QIVc, Non-influenza Comparator Vaccine
- Lead sponsor
- Seqirus
- Results first posted
- 2020-10-22
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT03165617?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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