Table 1 Descriptive statistics stratified by sex
Men (n = 359) | Women (n = 382) | |
|---|---|---|
Age median (years) (Interquartile range) | 46.5 (36.5 – 55.5) | 45.0 (32.6 – 55.2) |
Age group (years) | ||
20 – 29 | 65 (18.1%) | 77 (20.2%) |
30 – 39 | 45 (12.5%) | 71 (18.6%) |
40 – 49 | 99 (27.6%) | 86 (22.5%) |
50 – 59 | 91 (25.3%) | 97 (25.4%) |
60 – 69 | 48 (13.4%) | 44 (11.5%) |
70 – 79 | 11 (3.1%) | 7 (1.8%) |
BMI (kg/m2) | 26.5 ± 3.0 | 25.4 ± 3.8 |
PAI median (Interquartile range) | 15.0 (0.0 – 30.0) | 15.0 (7.5 – 30.0) |
Smoking status | ||
Never | 186 (51.8%) | 190 (49.7%) |
Former | 109 (30.4%) | 122 (31.9%) |
Daily | 24 (6.7%) | 40 (10.5%) |
Occasional | 40 (11.1%) | 30 (7.9%) |
HRR | −0.05 ± 0.08 | −0.04 ± 0.07 |
VR | 0.23 ± 0.12 | 0.30 ± 0.11 |
FEV1Z-score | 0.28 ± 0.83 | 0.19 ± 0.87 |
VO2peak (ml/kg/min) | 45.8 ± 9.1 | 36.8 ± 7.6 |
Peak O2pulse (ml/beat) | 21.3 ± 3.8 | 14.0 ± 2.4 |
RERpeak | 1.14 ± 0.05 | 1.13 ± 0.06 |