Table 2 Descriptive statistics stratified by sex and ventilatory reserve (VR)
Men | Women | |||
|---|---|---|---|---|
VR ≥ 20% (n = 239) | VR < 20% (n = 120) | VR ≥ 20% (n = 330) | VR < 20% (n = 52) | |
Age median (years) (interquartile range) | 46.0 (35.7 – 55.7) | 46.7 (38.1 – 54.8) | 44.1 (31.6 – 54.6) | 47.4 (35.0 – 57.8) |
BMI (kg/m2) | 26.4 ± 3.1 | 26.8 ± 2.8 | 25.2 ± 3.7 | 26.8 ± 3.9 |
PAI median (interquartile range) | 15.0 (0.0 – 30.0) | 30.0 (8.1 – 30.0) | 15.0 (7.5 – 30.0) | 22.5 (10.0 – 30.0) |
HRR | −0.05 ± 0.08 | −0.05 ± 0.08 | −0.04 ± 0.07 | −0.04 ± 0.07 |
FEV1Z-score | 0.47 ± 0.82 | −0.09 ± 0.72 | 0.27 ± 0.85 | −0.32 ± 0.77 |
VO2peak (ml/kg/min) | 44.1 ± 8.5 | 49.1 ± 9.3 | 36.7 ± 7.5 | 37.9 ± 8.2 |
Peak O2pulse (ml/beat) | 20.5 ± 3.5 | 22.9 ± 3.9 | 13.7 ± 2.3 | 15.4 ± 3.0 |
RERpeak | 1.14 ± 0.05 | 1.15 ± 0.05 | 1.13 ± 0.06 | 1.14 ± 0.06 |