BET | C | |||||
---|---|---|---|---|---|---|
Rest | 10 min | 35 min | Rest | 10 min | 35 min | |
FVC, Forced vital capacity; FEV1, forced expiratory volume in one second; FEF25–75, mid maximal expiratory flow rate. | ||||||
FVC (litres) | 5.21 (0.17) | 5.22 (0.23) | 5.36 (0.21) | 5.35 (0.15) | 5.39 (0.19) | 5.35 (0.20) |
% FVC theoretical | 100 (4) | 101 (5) | 103 (5) | 103 (5) | 104 (4) | 103 (5) |
FEV1 (litres) | 4.33 (0.28) | 4.32 (0.25) | 4.36 (0.25) | 4.33 (0.31) | 4.49 (0.30) | 4.35 (0.28) |
% FEV1 theoretical | 98 (4) | 98 (4) | 99 (4) | 98 (5) | 102 (5) | 99 (4) |
FEV1/FVC (%) | 83 (4) | 83 (4) | 82 (4) | 81 (5) | 83 (4) | 82 (5) |
FEF25–75 (l/s) | 4.49 (0.66) | 4.65 (0.78) | 4.54 (0.68) | 4.48 (0.82) | 4.82 (0.68) | 4.52 (0.75) |
% FEF25–75 theoretical | 89 (12) | 92 (15) | 90 (13) | 88 (16) | 95 (13) | 89 (14) |