Table 1. Baseline anthropometry, duration of high altitude stay and pulmonary functions in HAPE susceptible (HAPE-S) and HAPE resistant (HAPE-R) subjects.
| HAPE-S (n = 11) | HAPE-R (n = 11) | ||
|---|---|---|---|
| Age (Yrs) | 31.7 ± 3.3 | 29.8 ± 2.1 | NS |
| Height (cm) | 168.3 ± 6 | 171.2±3.3 | NS |
| Weight (Kg) | 70.7 ± 6.3 | 69.7 ± 7.8 | NS |
| High altitude stay (Yrs) | ½–1 | 2 | |
| FVC (Lt) | 4.3 ± 0.4 | 4.5 ± 0.4 | NS |
| FVC% | 96.3 ± 13.7 | 94 ± 8.3 | NS |
| FEV1 (Lt) | 3.5 ± 0.4 | 3.8 ± 0.3 | NS |
| FEV1/FVC | 82.1 ± 4.8 | 84 ± 4.6 | NS |
| TLC (Lt) | 6.2 ± 0.8 | 6.3 ± 0.6 | NS |
| TLC% | 105.7 ± 16.7 | 100.1 ± 10.1 | NS |
| FRC (Lt) | 3.2 ± 0.6 | 3.4 ± 0.6 | NS |
| FRC% | 110.5 ± 20.1 | 112.3 ± 19.4 | NS |
| DLCO (ml/kg/mm Hg) | 33.9 ± 6.1 | 37.3 ± 6.3 | NS |
| DLCO% | 109.3 ± 21 | 114.4 ± 19.4 | NS |
| VA% | 74.8 ± 8.7 | 75.9 ± 7.3 | NS |
| DLCO/VA | 121.6 ± 15.9 | 124.3 ± 14.6 | NS |
Values are presented as Mean ± SD. FVC: forced vital capacity; TLC: Total lung capacity; FRC: Functional residual capacity; FEV1: Forced expiratory volume in 1 sec; DLCO: pulmonary diffusion capacity for carbon monoxide; VA: alveolar ventilation; NS = Nonsignificant.*p < 0.05 (HAPE-S versus HAPE-R).