Donohue JF, Ozol-Godfrey A, Goodin T, Sanjar S. Int J Chron Obstruct Pulmon Dis. 2020;15:745–754.
The authors have advised there is an error in Figure 4 on page 751. The Q2 subgroup
of the placebo arm has the label of “−0.012” which should read “0.012”.
The correct Figure 4 is shown below. The authors apologize for this error.
Pooled analysis of change from baseline in trough FEV1 at 12 weeks by baseline rescue
medication use subgroup (ITT population).
Notes: *p<0.05, **p<0.01, ***p<0.001 versus placebo; n-values represent the number
of patients with on-treatment data at week 12.
Abbreviations: BID, twice daily; FEV1, forced expiratory volume in 1 second; GLY,
nebulized glycopyrrolate; ITT, intent-to-treat; LS, least squares; Q, quarter; SE,