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. 2021 May 13;20:106. doi: 10.1186/s12933-021-01292-9

Table 3.

Changes from baseline to 9 weeks in parameters of cardiopulmonary capacity in patients with diabetes mellitus (adjusted for baseline)

CPET parameters With DM
Δ 9 week–baseline [95% CI] Difference [95% CI] p
HCTR-DM UC-DM
Exercise time (s) 35.9 [21.0; 50.8] 23.9 [9.4; 38.4] 12.0 [− 15.1; 39.1] 0.666
VO2 peak (ml/min/kg) 0.40 [− 0.18; 0.98] − 0.15 [− 0.72; 0.41] 0.55 [− 0.50; 1.61] 0.529
Percent-predicted VO2 (%) 1.69 [− 0.49; 3.86] − 2.04 [− 4.16; 0.09] 3.73 [− 0.22; 7.66] 0.072
VAT (ml/kg/min) − 0.22 [− 1.06; 0.62] 0.16 [− 0.73; 1.05] − 0.38 [− 1.98; 1.21] 0.926
Ventilation at rest (l/min) − 0.38 [− 1.07; 0.30] − 0.04 [− 0.70; 0.63] − 0.34 [− 1.60; 0.91] 0.892
Ventilation on peak exercise (l/min) 1.54 [− 0.44; 3.52] 0.54 [− 1.37; 2.46] 1.00 [− 2.60; 4.60] 0.891
Breathing rate at rest (1/min) 0.11 [− 0.61; 0.83] 0.30 [− 0.40; 0.99] − 0.19 [− 1.50; 1.12] 0.983
Breathing rate on peak exercise (1/min) 0.77 [− 0.02; 1.55] − 0.25 [− 1.01; 0.51] 1.02 [− 0.42; 2.45] 0.263
VE/VCO2 slope 1.42 [− 0.25; 3.09] − 0.10 [− 1.74; 1.54] 1.52 [− 1.55; 4.59] 0.579

CI confidence interval, 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