Table 1.
Mean ± SD | Minimum | Maximum | |
---|---|---|---|
FEV1 (L/s) Th (%) |
5.14 ± 0.69 116.8 ± 14.9 |
3.75 84.6 |
7.01 159.1 |
FVC (L) Th (%) |
6.11 ± 0.76 116.8 ± 13.1 |
4.21 87.9 |
8.04 163 |
FEV1/FVC (%) | 84.1 ± 5.9 | 69 | 96.4 |
PEF (L/s) Th (%) |
11.68 ± 1.56 119.3 ± 16.9 |
8.12 88 |
15.8 168.7 |
FEF75 (L/s) Th (%) |
9.35 ± 1.78 112 ± 22.4 |
4.80 56 |
14.64 159 |
FEF50 (L/s) Th (%) |
5.95 ± 1.42 107.3 ± 25.8 |
2.93 51.7 |
9.79 175.7 |
FEF25 (L/s) Th (%) |
2.69 ± 0.82 102.4 ± 30.4 |
1.23 46 |
5.67 230 |
MMEF 25–75 (L/s) Th (%) |
5.35 ± 1.34 107.5 ± 26.8 |
2.63 51.6 |
9.68 188 |
Abbreviations: FEV1: forced expiratory volume in one second; FVC: forced vital capacity; PEF: peak expiratory flow; FEF75%: forced expiratory flow at 75%; MMEF: maximal midexpiratory flow between 25 and 75% of forced vital capacity; Th (%) percentage of theoretical values.