TDI and SGRQ scores
| Week 12 | Treatment difference (95% CI) | Week 26 | Treatment difference (95% CI) | |||
|---|---|---|---|---|---|---|
| Indacaterol | SFC | Indacaterol | SFC | |||
| TDI total score | 1.89 (0.499)† | 1.69 (0.509)† | 0.20 (-0.32, 0.72) | 2.58 (0.543)† | 2.70 (0.552)† | -0.12 (-0.71, 0.48) |
| SGRQ-C total score | 32.8 (1.58)† | 32.9 (1.61)† | -0.10 (-1.9, 1.8) | 33.1 (1.87)† | 33.5 (1.93)† | -0.40 (-2.5, 1.6) |
| TDI responder (≥1 unit),% | 61.4 | 61.0 | 0.97 (0.65, 1.46)# | 68.7 | 69.4 | 0.88 (0.58, 1.35)# |
| SGRQ-C responder (≥4 unit),% | 44.7 | 42.4 | 1.12 (0.76, 1.63)# | 49.6 | 48.8 | 1.03 (0.70, 1.52)# |
†Data are LSM (SE): #odds ratio; LSM, least square means; TDI, transition dyspnoea index; SGRQ-C, St George Respiratory Questionnaire for COPD