Table 4.
Anthropometric data of the subjects
| Characteristics | Total (n=104), mean±SD | AMS (n=63), mean±SD | Non-AMS (n=41), mean±SD | P | |
|---|---|---|---|---|---|
| SpO2 | |||||
| 1 | 87.03±4.4 | 84.67±3.53 | 90.66±2.85 | <0.001a,** | <0.001b,** |
| 2 | 91.07±2.85 | 90.22±2.85 | 92.37±2.85 | <0.001a,** | |
| d(SpO2) | 4.041±2.8 | 5.561±2.8 | 1.711±2.8 | <0.001a,** | |
| HR | |||||
| 1 | 92.70±9.98 | 96.16±9.41 | 87.39±8.44 | <0.001a,** | <0.001b,** |
| 2 | 83.59±8.84 | 85.03±8.19 | 81.37±9.42 | 0.038a,* | |
| d(HR) | −9.128±9.4 | −11.13±9.42 | −6.023±9.4 | <0.001a,** | |
aTwo independent-sample t-test, bPared-samples t-test. 1: Acute exposure to 4200 m, 2: Hypoxia acclimatization, AMS: Acute mountain sickness, HR: Heart rate, SpO2: Saturation of pulse oxygen, *<0.05,**<0.001