Primary analyses: Peto method | |||
Outcome | No of studies with data | Odds ratio (95% CI) | |
Fixed effect | Random effects | ||
Asthma deaths | 2 | 2.1 (0.6 to 7.9) | 2.2 (0.5 to 9.3) |
All deaths | 8 | 1.5 (0.8 to 2.7) | 1.5 (0.8 to 2.7) |
Hospitalisations | 55 | 1.3 (1.1 to 1.5) | 1.4 (1.1 to 1.8) |
Intubations | 6 | 1.7 (0.9 to 3.4) | 1.7 (0.9 to 3.4) |