Table 2.
Baseline parameters of cardiopulmonary capacity
| CPET parameters | DM (n = 266) | nonDM (n = 516) | ||||
|---|---|---|---|---|---|---|
| HCTR-DM n = 129 |
UC-DM n = 137 |
p1 | HCTR-nonDM n = 256 |
UC-nonDM n = 260 |
p2 | |
| Exercise time (s) | 338 ± 163 | 327 ± 163 | 0.602 | 420 ± 185 | 407 ± 188 | 0.427 |
| VO2peak (ml/min/kg) | 15.3 ± 4.5 | 15.1 ± 5.1 | 0.821 | 18.1 ± 5.8 | 17.7 ± 6.3 | 0.417 |
| VCO2peak (l/min) | 1.29 ± 0.55 | 1.38 ± 0.58 | 0.193 | 1.56 ± 0.67 | 1.51 ± 0.69 | 0.389 |
| Percent-predicted VO2 (%) | 49.4 ± 17.9 | 47.0 ± 16.5 | 0.255 | 59.6 ± 20.7 | 58.7 ± 22.0 | 0.638 |
| VAT (ml/kg/min): | 13.6 ± 4.5 | 13.9 ± 5.5 | 0.634 | 15.9 ± 5.7 | 15.6 ± 5.8 | 0.651 |
| Ventilation at rest (l/min) | 13.0 ± 4.0 | 13.3 ± 4.6 | 0.568 | 12.8 ± 5.5 | 12.9 ± 4.1 | 0.897 |
| Ventilation on peak exercise (l/min) | 44.9 ± 16.0 | 47.5 ± 15.8 | 0.177 | 51.7 ± 18.8 | 50.4 ± 19.3 | 0.419 |
| Breathing rate at rest(1/min) | 18.8 ± 4.6 | 19.0 ± 4.9 | 0.684 | 18.7 ± 4.6 | 19.1 ± 5.1 | 0.372 |
| Breathing rate on peak exercise (1/min) | 28.8 ± 5.9 | 29.0 ± 5.7 | 0.826 | 29.6 ± 6.5 | 29.8 ± 6.8 | 0.731 |
| VE/VO2 slope | 28.4 ± 10.0 | 31.7 ± 13.4 | 0.029 | 31.0 ± 10.9 | 31.0 ± 11.1 | 0.994 |
| VE/VCO2 slope | 32.1 ± 9.7 | 31.8 ± 10.5 | 0.778 | 30.3 ± 9.7 | 29.3 ± 11.0 | 0.293 |
CPET Cardiopulmonary Exercise Testing, HCTR-DM patients in hybrid comprehensive telerehabilitation arm with heart failure and diabetes, HCTR-nonDM patients in hybrid comprehensive telerehabilitation arm with heart failure and without diabetes, VO2 peak peak oxygen uptake, UC-DM patients in usual care arm with heart failure and diabetes, UC-nonDM patients in usual care arm with heart failure and without diabetes, VAT ventilatory anaerobic threshold, VE/VCO2 slope slope of ventilatory equivalent for carbon dioxide
p1—p value for HCTR-DM vs. UC-DM, p2—p value for HCTR-nonDM vs. UC-nonDM