Fig. 5From: Evaluation of systemic absorption and bronchodilator effect of glycopyrronium bromide delivered by nebulizer or a dry powder inhaler in subjects with chronic obstructive pulmonary diseaseSummary of mean FEV1 (L) by time point on treatment day. CI, confidence interval. DPI, dry powder inhaler. FEV1, forced expiratory volume in 1 s. GLY, glycopyrronium bromideBack to article page