Primary analyses: Peto method | |||
Outcome | No of studies with data | Odds ratio (95% CI) | |
Fixed effect | Random effects | ||
Asthma deaths | 1 | 7.3 (1.8 to 29.4) | NA |
All deaths | 2 | 1.1 (0.6 to 2.0) | 1.1 (0.5 to 2.3) |
Hospitalisations | 23 | 1.4 (1.0 to 2.0) | 1.4 (1.0 to 2.0) |
Intubations | 4 | 1.5 (0.7 to 3.3) | 1.4 (0.4 to 4.9) |