Table 2. Summary of data synthesis.
| Exposure | Outcome | Number of studies | Number of patients | Pooled estimate (RR) | 95% CI | 95% PI | Heterogeneity (I 2) |
|---|---|---|---|---|---|---|---|
| Sex
(male vs female) |
Infection | 41 | 1.14 | 1.07 to 1.21 | 0.79 to 1.63 | 98.6 % | |
| hospitalization | 22 | 1.33 | 1.27 to 1.41 | 1.06 to 1.68 | 90.9% | ||
| Severe disease | 77 | 1.22 | 1.17 to 1.27 | 1.02 to 1.45 | 46.7% | ||
| ICU | 48 | 1.41 | 1.28 to 1.55 | 0.83 to 2.40 | 80.6% | ||
| Death | 91 | 1.35 | 1.28 to 1.43 | 0.90 to 2.03 | 82.1% |
RR = relative risk; 95% CI = 95% confidence interval; 95% PI = 95% prediction interval; ICU=intensive care unit.