Skip to main content
. 2016 Mar 17;16:42. doi: 10.1186/s12890-016-0200-x

Fig. 4.

Fig. 4

Mean change in trough FEV1. BF budesonide–formoterol, FEV 1 forced expiratory volume in 1 s, SD standard deviation. a n = 290 at baseline; dropped to n = 276 by week 12. b n = 284 at baseline, dropped to n = 264 by week 12