Characteristics of the study participants
| Variables | Mean (SD) | Range |
|---|---|---|
| Data are presented as means (SD). BMI, body mass index; Vo2max, maximal O2 uptake. Vo2max th, theoretical maximal O2 uptake. | ||
| Age (year) | 73.3 (9.1) | 60–88 |
| Weight (kg) | 65.8 (13.2) | 47–89 |
| Height (cm) | 166.3 (9.2) | 152–180 |
| BMI (kg m−2) | 23.6 (2.9) | 18.7–31.1 |
| Vo2max (l min−1) | 2.06 (0.77) | 1.16–3.49 |
| Vo2max (ml min−1 kg−1) | 30.5 (7.1) | 18.3–45.1 |
| Vo2max th (ml min−1 kg−1) | 20.1 (3.5) | 14.6–25.6 |
| % Vo2max th (ml min−1 kg−1) | 151.4 (12.5) | 125–195 |
| Exercise duration (min) | 9.9 (1.4) | 8–13 |
| Maximal slope (%) | 15 (5) | 5–24 |
| Physical activity score | 20.1 (7.1) | 11.9–38.6 |