Stable | Exacerbation | p value | |
Plasma | |||
FEV1 (l) | 1.03 (0.80–1.30) | 1.03 (0.87–1.31) | 0.956 |
FVC (l) | 2.36 (2.11–3.18) | 2.29 (1.51–2.91) | 0.237 |
PEF (l/s) | 2.50 (1.87–3.67) | 2.48 (2.01–3.21) | 0.759 |
Sao 2 (kPa) | 94.0 (92.0–95.0) | 93.0 (91.0–94.8) | 0.431 |
Sputum | |||
FEV1(l) | 1.15 (0.98–1.47) | 1.08 (0.77–1.28) | 0.161 |
FVC (l) | 2.75 (2.06–3.53) | 2.38 (1.85–3.26) | 0.401 |
PEF (l/s) | 3.57 (2.32–4.35) | 2.29 (2.05–3.07) | 0.012 |
Sao 2 (kPa) | 94.0 (91.8–96.0) | 93.0 (91.0–95.0) | 0.499 |
FEV1 = forced expiratory volume in one second; FVC = forced vital capacity; PEF = peak expiratory flow; Sao 2 = oxygen saturation.