Effects of hybrid comprehensive telerehabilitation on cardiopulmonary capacity in heart failure patients depending on diabetes mellitus: subanalysis of the TELEREH-HF randomized clinical trial

Table 2 Baseline parameters of cardiopulmonary capacity

CPET parameters	DM (n = 266)			nonDM (n = 516)
CPET parameters	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

ISSN: 1475-2840