Parameter | Before BT | After BT | P-value | |
---|---|---|---|---|
Before bronchodilation | FEV1 (% predicted) | 88 ± 21 | 90 ± 21 | 0.33 |
FEF 75 (L/s) | 1.04 ± 0.57 | 0.97 ± 0.70 | 0.44 | |
FVC (% predicted) | 98 ± 20 | 102 ± 17 | < 0.05 | |
FEV1/FVC | 0.74 ± 0.11 | 0.73 ± 0.12 | 0.46 | |
Raw IN (kPa*s/L) | 0.30 (0.20;0.42) | 0.29 (0.19;0.42) | 0.99 | |
FRC (L) | 2.60 (1.97;3.22) | 2.63 (2.03;3.08) | 0.69 | |
RV (L) | 1.81 ± 0.74 | 1.80 ± 0.64 | 0.68 | |
After bronchodilation | FEV1 (% predicted) | 100 ± 18 | 100 ± 15 | 0.72 |
FEF 75 (L/s) | 1.28 ± 0.67 | 1.20 ± 0.78 | 0.37 | |
FVC (% predicted) | 107 ± 15 | 108 ± 13 | 0.33 | |
FEV1/FVC | 0.79 ± 0.10 | 0.77 ± 0.10 | < 0.05 | |
FEV1 reversibility | 11 (3.5;14) | 4 (2;15) | 0.11 | |
Raw IN (kPa*s/L) | 0.15 (0.14;0.21) | 0.23 (0.16;0.24) | < 0.05 | |
FRC (L) | 2.73 (1.90;3.10) | 2.52 (2.00;2.91) | 0.14 | |
RV (L) | 1.60 ± 0.55 | 1.65 ± 0.47 | 0.49 |