Figure 3From: Dose response of umeclidinium administered once or twice daily in patients with COPD: a randomised cross-over study Trough FEV 1 (L) on Day 8 (mITT population) for UMEC QD and BID regimens. Data are for (a) mITT population (b) mITT population excluding patients from one investigator site. BID, twice daily; QD, once daily.Back to article page