TABLE 2.
Cardiorespiratory fitness and cardiac function
Cardiorespiratory fitness variables | Sitagliptin n = 19 | Canaglifozin n = 17 | P value (time_X_group interaction) | ||||
---|---|---|---|---|---|---|---|
Baseline | 12 wk | P value | Baseline | 12 wk | P value | ||
Peak VO2, mL min−1 | 1769 ± 489 | 1710 ± 392 | 0.21 | 1583 ± 409 | 1600 ± 454 | 0.86 | 0.15 |
VE/VCO2 slope | 32.6 ± 7.2 | 32.5 ± 5.8 | 0.65 | 34 ± 6.1 | 33.8 ± 4.2 | 0.66 | 0.98 |
Peak VO2, mL Kg−1 min−1 | 15.3 ± 3.5 | 14.8 ± 3.9 | 0.16 | 16.2 ± 3.4 | 16.9 ± 4.0 | 0.23 | 0.08 |
Peak VO2, mL KgLM −1 min−1 | 22.9 ± 5.0 | 22.0 ± 5.4 | 0.16 | 25.2 ± 5.0 | 26.7 ± 5.3 | 0.16 | 0.036 |
Peak VO2 pulse, mL min−1 | 13.9 ± 3.5 | 13.6 ± 3.6 | 0.78 | 12.7 ± 3.1 | 12.9 ± 3.5 | 0.53 | 0.46 |
VAT, mL Kg−1 min−1 | 11.6 ± 3.0 | 11.8 ± 2.9 | 0.93 | 11.7 ± 2.2 | 13.1 ± 2.3 | 0.004 | 0.01 |
OUES | 2.11 ± 0.58 | 2.06 ± 0.55 | 0.64 | 1.72 ± 0.36 | 1.80 ± 0.43 | 0.09 | 0.15 |
RER‐matched VO2, mL Kg−1 min−1 | 14.4 ± 3.9 | 14.7 ± 3.9 | 0.26 | 14.2 ± 4.2 | 16.9 ± 3.9 | 0.001 | 0.002 |
Respiratory exchange ratio | 1.04 ± 0.04 | 1.03 ± 0.07 | 0.38 | 1.12 ± 0.11 | 1.0 ± 0.07 | <0.001 | 0.001 |
Exercise time, s | 551 ± 108 | 534 ± 120 | 0.12 | 561 ± 143 | 573 ± 151 | 0.69 | 0.13 |
Resting heart rate, bpm | 71 ± 10 | 73 ± 10 | 0.89 | 70 ± 10 | 69 ± 11 | 0.23 | 0.43 |
Peak heart rate, bpm | 129 ± 23 | 126 ± 24 | 0.18 | 125 ± 17 | 125 ± 15 | 0.82 | 0.46 |
Resting systolic blood pressure, mmHg | 130 ± 20 | 124 ± 15 | 0.27 | 131. ±17 | 130 ± 17 | 0.91 | 0.37 |
Peak systolic blood pressure, mmHg | 159 ± 29 | 162 ± 26 | 0.42 | 174 ± 31 | 174 ± 30 | 0.26 | 0.19 |
Resting diastolic blood pressure, mmHg | 71 ± 16 | 69 ± 13 | 0.39 | 72 ± 13 | 74 ± 14 | 0.78 | 0.99 |
Peak diastolic blood pressure, mmHg | 72 ± 13 | 74 ± 13 | 0.41 | 77 ± 14 | 76 ± 16 | 0.85 | 0.25 |
Echocardiographic Variables | Sitagliptin n = 19 | Canaglifozin n = 17 | P value (time_X_group interaction) | ||||
---|---|---|---|---|---|---|---|
Baseline | 12 wk | P value | Baseline | 12 wk | P value | ||
Deceleration time velocity, ms | 179 (153–211) | 187 (159–216) | 0.13 | 205 (159–263) | 193 (152–233) | 0.08 | 0.02 |
E/E′ | 13.9 ± 4.6 | 13.4 ± 4.6 | 0.45 | 18.5 ± 13.2 | 16.7 ± 9.4 | 0.43 | 0.63 |
E/DT | 0.03 ± 0.01 | 0.04 ± 0.02 | 0.82 | 0.03 ± 0.01 | 0.03 ± 0.01 | 0.06 | 0.46 |
LVESV index | 61 (43–76) | 51 (44‐61) | 0.01 | 36 (27‐57) | 37 (23‐47) | 0.02 | 0.92 |
LVEDV index | 78 (65–108) | 81 (58‐89) | 0.27 | 58 (42–83) | 54 (42‐73) | 0.86 | 0.68 |
LVEF, % | 27.0 ± 6.8 | 30.3 ± 10.4 | 0.18 | 31.6 ± 7.5 | 38.8 ± 10.9 | 0.006 | 0.21 |
TAPSE, cm | 2.18 ± 0.47 | 2.04 ± 0.46 | 0.34 | 2.15 ± 0.42 | 2.19 ± 0.54 | 0.29 | 0.16 |
Abbreviations: DT, deceleration time; LVEDV, left ventricular end‐diastolic volume; LVEF, left ventricular ejection fraction; LVESV, left ventricular end‐systolic volume; OUES, oxygen uptake efficiency slope; RER, respiratory exchange ratio; TAPSE, tricuspid annular plane systolic excursion; VAT, ventilatory anaerobic threshold; VE/VCO2, minute ventilation/carbon dioxide production; VO2, oxygen consumption.