Table 3 Baseline characteristics, exercise testing results and measures after arriving at 4100 m: men vs women
Index | Women (n = 32) | Men (n = 67) | P-value |
|---|---|---|---|
Baseline characteristics | |||
 Age (year, x ± s) | 23.3 ± 3.7 | 28.5 ± 9.3 | < 0.001 |
 Height (cm, x ± s) | 165.0 ± 4.1 | 172.5 ± 5.2 | < 0.001 |
 Weight (kg, x ± s) | 55.4 ± 5.3 | 68.8 ± 7.9 | < 0.001 |
 BMI (kg/m2, x ± s) | 20.5 ± 1.9 | 23.1 ± 2.2 | < 0.001 |
 Smoker [n(%)] | 1 (3.1) | 37 (55.2) | < 0.001 |
 HR at rest (beats/min, x ± s) | 75.3 ± 10.3 | 72.2 ± 11.6 | 0.195 |
 SpO2 at rest (%, x ± s) | 97.6 ± 1.2 | 96.9 ± 1.4 | 0.016 |
 SBP at rest (mmHg, x ± s) | 112.7 ± 11.9 | 119.4 ± 11.7 | 0.011 |
 DBP at rest (mmHg, x ± s) | 72.1 ± 9.5 | 74.3 ± 12.2 | 0.374 |
After exercise testing | |||
 SpO2 after exercise (%, x ± s) | 97.6 ± 0.8 | 96.8 ± 1.3 | < 0.001 |
 SBP after exercise (mmHg, x ± s) | 118.1 ± 11.7 | 126.5 ± 11.4 | 0.001 |
 ΔeSpO 2 (%, x ± s) | 0.0 ± 1.3 | − 0.1 ± 1.9 | 0.791 |
 ΔeSBP (mmHg, x ± s) | 5.3 ± 17.1 | 7.1 ± 12.6 | 0.575 |
Upon arriving at 4100 m | |||
 SpO2 (%, x ± s) | 85.9 ± 4.3 | 87.8 ± 3.5 | 0.034 |
 SBP (mmHg, x ± s) | 113.9 ± 11.5 | 126.3 ± 14.6 | < 0.001 |
 ΔhSpO2 (%, x ± s) | −11.6 ± 4.2 | −9.1 ± 3.9 | 0.005 |
 ΔhSBP (mmHg, x ± s) | 1.2 ± 14.6 | 6.9 ± 15.5 | 0.080 |