Comparison 3. Formoterol versus short‐acting beta2‐agonists (background LABA use).
Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
---|---|---|---|---|
1 Patients with a serious adverse event (all‐cause) | 6 | 21863 | Peto Odds Ratio (Peto, Fixed, 95% CI) | 0.94 [0.81, 1.09] |
1.1 Maintenance LABA | 3 | 8319 | Peto Odds Ratio (Peto, Fixed, 95% CI) | 0.84 [0.68, 1.03] |
1.2 No maintenance LABA | 4 | 13544 | Peto Odds Ratio (Peto, Fixed, 95% CI) | 1.06 [0.86, 1.30] |