Table 1. Subject characteristics.
| Male (n=15) | Female (n=15) | |
| Age (years) | 31.4±4.2 | 26.5±4.8 |
| Height (cm) | 171.2±4.5 | 158.9±4.3 |
| Weight (kg) | 64.2±7.0 | 52.4±8.1 |
| Sitting MEP | 131.1±16.5 | 100.7±17.1 |
| Supine MEP | 122.8±16.5* | 89.4±15.1* |
MEP: Maximum expiratory pressure
Mean±SD. paired t-test; *: p<0.01, compared with sitting MEP for each sex