Table 1.
Descriptive characteristics for control and asthmatic subjects.
| Control Group (n=9) | Asthmatic Group (n=8) | |
|---|---|---|
| Male/Female | 6/3 | 5/3 |
| Age, y | 25.6 ± 8.8 | 30.4 ± 8.4 |
| Height, m | 1.73 ± 0.1 | 1.72 ± 0.1 |
| Weight, kg | 74.2 ± 11.8 | 74.4 ± 13.9 |
| Body mass index (kg·m2) | 24.7 ± 2.6 | 25.1 ± 2.7 |
| VO2peak, ml−1·kg·−1min−1 | 48.5 ± 6.4 (122 ± 0.3) | 46.1 ± 6.6 (121 ± 0.3) |
| FVC, L | 5.29 ± 1.07 (115 ± 13) | 5.38 ± 1.2 (121 ± 17) |
| FEV1.0, L | 4.45 ± .94 (113 ± 11) | 3.77 ± 1.1 (99 ± 17) |
| FEV1.0/FVC | 0.84 ± 0.07 (105 ± 8.4) | 0.70 ± 0.10 (87 ± 13)* |
| FEF50%, L·sec−1 | 5.27 ± 1.56 (102 ± 24) | 3.29 ± 1.3 (65 ± 22)* |
| PEF, L·sec−1 | 9.35 ± 2.28 (104 ± 13) | 7.89 ± 2.2 (91 ± 19) |
| Peak power output, watts | 262 ± 44 | 275 ± 49 |
| BD reversibility, % change FEV10 | + 5.2 ± 4.1 | + 12.2 ± 7.5* |
| EIB, % change FEV10 | −5.3 ± 3.0 | −26.6 ± 15.3* |
V̇O2peak, maximal oxygen uptake; FVC, forced vital capacity; FEV1.0, forced expiratory volume 1 second; FEF50%, forced expiratory flow at 50% FVC; PEF, peak expiratory flow; BD, bronchodilator; EIB, exercise-induced bronchoconstriction.
*
p<0.05 vs. control group. Percent predicted values in parentheses. Spirometry predicted values from Quanjer (33).