[Table/Fig-1]:
Characteristics of study population.
| Variable | Whole Group | Males | Females | p-value |
|---|---|---|---|---|
| Subjects n (%) | 169 | 80 (47.3) | 89 (52.7) | |
| Age yrs Mean (SD) | 43.4 (12.3) | 41.0 (10.9) | 45.6 (13.1) | 0.015* |
| Weight kg Mean (SD) | 62.55 (12.60) | 67.80 (12.30) | 57.83 (10.9) | 0.001* |
| Height cm Mean (SD) | 158.49 (9.93) | 165.73 (7.77) | 151.98(6.60) | 0.001* |
| BMI kg/m2 Mean (SD) | 24.83 (4.09) | 24.60 (3.64) | 25.03 (4.47) | 0.499 |
| 6MWD m Mean (SD) | 483.36(67.91) | 512.38(67.84) | 457.27(56.75) | 0.001* |
| FEV1% pred Mean (SD) | 94.03 (10.31) | 92.03 (9.39) | 95.83(10.81) | 0.016* |
| FVC% pred Mean (SD) | 93.53 (12.05) | 90.82 (11.07) | 95.97 (12.36) | 0.005* |
| FEV1/FVC Mean (SD) | 83.04 (7.10) | 82.59 (6.70) | 83.44 (7.45) | 0.44 |
BMI= body mass index, 6MWD= six minute walk distance, FEV1= forced expiratory volume, FVC= forced vital capacity. (* statistically significant)