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. 2016 Jun 24;11:1413–1424. doi: 10.2147/COPD.S101612

Table S1.

Summary of trough FEV1 at day 169 and SGRQ total score at day 168 in Study A (ITT population)

Endpoint UMEC/VI (n=413) UMEC (n=418) VI (n=421) Placebo(n=280)
Trough FEV1 at day 169, n 330 322 317 201
LS mean (SE), L 1.406 (0.0126) 1.354 (0.0126) 1.311 (0.0127) 1.239 (0.0158)
LS mean change (SE), L 0.171 (0.0126) 0.119 (0.0126) 0.076 (0.0127) 0.004 (0.0158)
SGRQ total score at day 168, n 317 312 304 192
LS mean (SE) 41.11 (0.749) 41.93 (0.753) 41.43 (0.760) 46.62 (0.950)
LS mean change (SE) −8.07 (0.749) −7.25 (0.753) −7.75 (0.760) −2.56 (0.950)

Abbreviations: FEV1, forced expiratory volume in 1 second; ITT, intent-to-treat; LS, least squares; SE, standard error; SGRQ, St George’s Respiratory Questionnaire; TIO, tiotropium; VI, vilanterol; UMEC, umeclidinium; L, liters.