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Fig. 5 | Respiratory Research

Fig. 5

From: A dose-ranging study of the inhaled dual phosphodiesterase 3 and 4 inhibitor ensifentrine in COPD

Fig. 5

Average FEV1 over 0–12 h (full analysis set). Data are least squares means treatment–placebo differences and 95% confidence intervals. *p < 0.05; p < 0.01; p < 0.001 vs placebo. Least squares mean changes from baseline in the placebo group (N = 79) were 8 and −33 mL on Day 1 and at Week 4, respectively. Abbreviation: FEV1, forced expiratory volume in 1 s

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