Fig. 3From: A randomized, double-blinded, double-dummy efficacy and safety study of budesonide–formoterol Spiromax® compared to budesonide–formoterol Turbuhaler® in adults and adolescents with persistent asthmaMean change in average weekly morning PEF. AM ante meridiem (morning), BF budesonide–formoterol, PEF peak expiratory flow, SD standard deviation. Data shown are mean change from baseline on weekly average values. Error bars represent SD. a n = 290 at baseline; dropped to n = 263 by week 12. b n = 284 at baseline; dropped to n = 256 by week 12Back to article page