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TDI focal score change from baseline in less symptomatic and more symptomatic patients with COPD at week 24.
Notes: Data are LS mean ± SE for the pooled ITT population; *P<0.05; ***P<0.001.
Abbreviations: AB, aclidinium bromide 400 µg; BDI, Baseline Dyspnea Index; COPD, chronic obstructive pulmonary disease; E-RS, Evaluating Respiratory Symptoms; FF, formoterol fumarate 12 µg; ITT, intent-to-treat; LS, least squares; SE, standard error; TDI, Transition Dyspnea Index.
