Table 2 Baseline spirometry (mean ± SD) of patients in the tiotropium and control groups
From: Longitudinal inspiratory capacity changes in chronic obstructive pulmonary disease
Tiotropium (n = 2986) | Control (n = 3006) | |
|---|---|---|
Pre-bronchodilator | ||
FEV1, L | 1.10 ± 0.40 | 1.09 ± 0.40 |
FEV1, % predicted | 39.5 ± 12.0 | 39.3 ± 11.9 |
FVC, L | 2.63 ± 0.81 | 2.63 ± 0.83 |
FEV1/FVC | 42.4 ± 10.5 | 42.1 ± 10.5 |
SVC | 2.80 ± 82 | 2.80 ± 83 |
IC | 2.04 ± 70 | 2.03 ± 70 |
FEV6 | 2.11 ± 62 | 2.11 ± 62 |
Post-bronchodilator | ||
FEV1, L | 1.33 ± 0.44 | 1.32 ± 0.44 |
FEV1, % predicted | 47.7 ± 12.7 | 47.4 ± 12.6 |
FVC, L | 3.09 ± 0.86 | 3.09 ± 0.90 |
FEV1/FVC | 43.6 ± 10.8 | 43.3 ± 10.7 |
SVC | 3.21 ± 88 | 3.20 ± 90 |
IC | 2.35 ± 75 | 2.32 ± 77 |
FEV6 | 2.49 ± 65 | 2.48 ± 66 |