|Outcomes at ≥ 4 weeks||Number of studies (n)||Standardised mean difference (95% CI)|
|*Meta-analyses were done using a fixed effects model. FEV1 = forced expiratory volume in 1 second.|
|FEV1||7 (1404)||−0.14 (−0.25 to −0.03)|
|Morning peak expiratory flow rate||7 (1389)||−0.14 (−0.25 to −0.04)|
|Use of additional relief drugs||6 (967)||–0.18 (–0.31 to –0.05)|
Review: pressurised metered dose inhalers are as effective as other hand held inhalers for delivering corticosteroids in stable asthma
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