Mean (SD) values for indices from the eight subjects who underwent simulated altitude in a hypobaric chamber under normoxic and hypoxic conditions.
| Code | Mean (SD) | p value | |
|---|---|---|---|
| FVC=forced vital capacity; FEV1=forced expiratory volume in 1 second; PEF=peak expiratory flow; α175%=first moment truncated at 75% of FVC; MEF30%=maximum expiratory flow with 30% of FVC still to be expired; MP30%=ratio of MEF30% on maximum flow loop divided by MEF30% from partial loop; LDS=log dose slope of index; code 1=sea level; 2=normoxic hypobaria; 3=hypoxic hypobaria. *p<0.05 (Friedman non-parametric test with Bonferroni correction). | |||
| FVC | 1 | 5.46 (0.95) | 0.22 |
| 2 | 5.26 (0.84) | ||
| 3 | 5.28 (0.88) | ||
| FEV1 | 1 | 4.25 (0.58) | 0.69 |
| 2 | 4.20 (0.51) | ||
| 3 | 4.30 (0.55) | ||
| PEF | 1 | 8.74 (1.26) | 0.002* |
| 2 | 10.48 (1.31) | ||
| 3 | 10.40 (1.39) | ||
| α175% | 1 | 0.33 (0.06) | 0.002* |
| 2 | 0.28 (0.06) | ||
| 3 | 0.28 (0.06) | ||
| MEF30% | 1 | 2.43 (0.52) | 0.04 |
| 2 | 2.39 (0.61) | ||
| 3 | 2.61 (0.69) | ||
| MP30% | 1 | 0.97 (0.14) | 1.0 |
| 2 | 1.02 (0.19) | ||
| 3 | 0.99 (0.18) | ||
| LDSFEV1 | 1 | 0.66 (0.40) | 0.37 |
| 2 | 0.51 (0.61) | ||
| 3 | 0.63 (0.45) | ||
| LDSα175% | 1 | 0.77 (0.52) | 0.88 |
| 2 | 0.91 (0.34) | ||
| 3 | 0.72 (0.51) | ||
| LDSMEF30% | 1 | 1.01 (0.32) | 0.45 |
| 2 | 0.85 (0.41) | ||
| 3 | 1.11 (0.39) | ||