Quality of life score change (week 16 minus week 1) | |
Overall | | 0.30 (1.19) | | 0.23 (0.98) | | 0.20 (−0.20 to 0.61) | | 0.32 |
Activity limitation | | 0.27 (1.45) | | 0.11 (1.25) | | 0.20 (−0.43 to 0.84) | | 0.53 |
Symptoms | | 0.32 (1.39) | | 0.28 (1.12) | | 0.23 (−0.23 to 0.70) | | 0.33 |
Emotional function | | 0.29 (1.31) | | 0.23 (1.16) | | 0.17 (−0.18 to 0.52) | | 0.35 |
Spirometry changes (week 16 minus week 1) | |
FEV1 (% predicted) | | −1.7 (8.3) | | −1.2 (10.6) | | −0.4 (−2.8 to 2.0) | | 0.74 |
FVC (% predicted) | | −0.5 (8.6) | | 0.1 (9.3) | | 0.0 (−2.8 to 2.7) | | 0.98 |
MEF25–75 (% predicted) | | −3.0 (14.4) | | −1.9 (19.6) | | −0.5 (−6.1 to 5.0) | | 0.85 |
Inhaler technique (week 16)† | |
Correct | | 44 (56%)* | | 13 (15%)* | | 41% (29% to 54%) | | <0.001 |
Correct and partially correct | | 66 (84%)* | | 35 (40%)* | | 49% (24% to 73%) | | <0.001 |