Mean (95% CI) values of inspiratory capacity (IC), maximal inspiratory pressure at rest (Pimax), and dyspnoea both at rest and at the end of exercise under baseline conditions and after bronchodilator in patients with COPD with and without resting tidal EFL
| Baseline | Post bronchodilator | |
|---|---|---|
| ***p<0.001; **p<0.01; *p<0.05 v baseline. | ||
| IC (l) | ||
| NFL | 2.24 (1.86 to 2.62) | 2.28 (1.91 to 2.64) |
| FL | 1.75 (1.36 to 2.14) | 2.14 (1.74 to 2.54)*** |
| Pimax (cm H2O) | ||
| NFL | 49 (32 to 66) | 51 (34 to 67) |
| FL | 45 (26 to 63) | 55 (31 to 79)* |
| Dyspnoea (rest) (Borg) | ||
| NFL | 0.3 (0.0 to 0.7) | 0.4 (−0.2 to 0.9) |
| FL | 0.3 (−0.1 to 0.8) | 0.1 (−0.1 to 0.4) |
| Dyspnoea (exercise) (Borg) | ||
| NFL | 1.8 (0.5 to 3.2) | 1.4 (0.0 to 2.8) |
| FL | 3.7 (1.7 to 5.7) | 2.6 (1.1 to 4.0)** |