Comparison 33. Adults ‐ Crossover design ‐ Different doses in inhalers: Rotahaler vs pMDI (absolute change from baseline).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 PEFR ‐ Daily (L/min)	1	44	Mean Difference (IV, Fixed, 95% CI)	12.5 [‐6.80, 31.80]
1.1 Short term studies (min‐hours)	1	44	Mean Difference (IV, Fixed, 95% CI)	12.5 [‐6.80, 31.80]