Nonavalent HPV vaccine vs quadrivalent HPV vaccine: Overall systemic events and general symptoms
Nonavalent HPV vaccine showed no clear difference in overall systemic events and general symptoms at 15‐day compared with quadrivalent HPV vaccine (moderate certainty).
What each review found
Current versions only| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Nonavalent HPV vaccine vs quadrivalent HPV vaccine Overall systemic events and general symptoms at 15‐day · 9‐ to 26‐year‐old females and males Nonavalent HPV vaccine showed no clear difference in overall systemic events and general symptoms at 15‐day compared with quadrivalent HPV vaccine (moderate certainty). Comparison of different human papillomavirus (HPV) vaccine types and dose schedules for prevention of… (2019) · Cochrane Headline outcomes only | RR 1.01 [0.98, 1.04] | 3 studies · 15863 participants | Moderate |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Comparison of different human papillomavirus (HPV) vaccine types and dose schedules for prevention of HPV‐related disease in females and… 2019 · Cochrane Headline outcomes only | Not reported | list not extracted yet | Not assessed |
Studies behind the findings
None of these reviews ties its included studies to this outcome in the data here. Cochrane reviews and reviews with headline outcomes only do not list their studies yet.
How reviews are matched to this question
Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.