1.2. Analysis.
Comparison 1: Combined hormonal contraception (estrogen plus progestin) versus no hormonal contraception, Outcome 2: Hospitalization ‐ indirect
Hospitalization ‐ indirect | ||||
Study | Combined hormonal contraceptive users (total n) | Non‐contraceptive users (total n) | Total reported events | Adjusted odds ratio (95% CI) |
Costeira 2021 | 64,253 | 231,436 | 1,889 | OR 0.79 (0.64‐0.97) |