Table 3. Measures of peak exercise and Oxygen uptake kinetics.
| Nondiabetic Women (N=21) |
Women with T2D (N=15) |
Nondiabetic Men (N=13) |
Men with T2D (N=14) |
|
|---|---|---|---|---|
| Peak Exercise Test | ||||
| VO2peak ml/min | 1764.5±400.0 | 1370.3±154.4*@ | 2462.1±495.7 | 2257.4±408.1† |
| VO2peak ml/kg/min | 22.4±5.2 | 18.0±2.4*@ | 28.1±7.4 | 24.3+6.0* |
| Peak RER | 1.21±0.07 | 1.17±0.06 | 1.19±0.07 | 1.22±0.10 |
| Peak HR (beats/min) | 163±13 | 163±16 | 161±20.2 | 163±16.1 |
| Oxygen Uptake Kinetic Testing | (N=15) | (N=15) | (N=12) | (N=11) |
| VO2 at Ventilatory Threshold | 944.3±170.2 | 826.1±115.0 | 1213.7±172.4 | 1197.5±190.2 |
| End amplitude VO2 | 783.2±143.0 | 685.6±95.5 | 1007.3±143.1 | 1005.9±158.9 |
| A1 (ml/min) | 601.9±195.3 | 477.5±167.3† | 756.7±247.0 | 805.7±146.7 |
| Tau 1 (s) | 5.5±7.0 | 10.2±17.6 | 5.7±7.3 | 6.0±10.9 |
| Time Delay 1 (s) | 4.2±6.9 | 2.3±5.8 | 2.6±3.5 | -0.794±8.1* |
| A2 (ml/min) | 230.6±116.3 | 191.0±83.5 | 316.0±158.4 | 331.3±113.2 |
| Tau 2 (s) | 31.5±11.9 | 37.1±17.1 | 34.8±9.2 | 45.1±17.9† |
| Time Delay 2 (s) | 23.6±5.4 | 28.6±5.9* | 24.5±10.0 | 23.9±11.1 |
T2D, type 2 diabetes; VO2peak, peak oxygen consumption; RER, respiratory exchange ratio; HR, heart rate
*
P<0.05 difference between people with diabetes and their respective non-diabetic counterparts of the same sex (e.g., women with T2D vs. nondiabetic women)
†
tendency towards a difference (P<0.10)
@
P<0.05 difference between all people with diabetes and all nondiabetic people