Table 2.
Peak exercise data during graded maximal cardiopulmonary exercise test performed by athletes and sedentary men in a treadmill
| Athletes (n = 9) | Sedentary men (n = 9) | p value | |||||
|---|---|---|---|---|---|---|---|
| VO2 (mL/kg/min) | 47.8 | ± | 0.3 | 42.6 | ± | 4.2 | 0.029 |
| VCO2 (mL/kg/min) | 64.1 | ± | 1.2 | 54.8 | ± | 6.0 | 0.009 |
| RER | 1.3 | ± | 0.3 | 1.29 | ± | 0.3 | 0.380 |
| Ve (L/min) | 128.7 | ± | 0.3 | 123.4 | ± | 14.7 | 0.550 |
| Respiratory rate (breaths/min) | 57 | ± | 3 | 54 | ± | 6 | 0.540 |
| Vt (L) | 2.3 | ± | 0.3 | 2.3 | ± | 0.3 | 0.837 |
| Heart rate (beats/min) | 181 | ± | 3 | 186 | ± | 3 | 0.343 |
| VE/VO2 | 2.7 | ± | 0.3 | 2.9 | ± | 0.3 | 0.309 |
| VE/VCO2 | 2.0 | ± | 0.3 | 2.3 | ± | 0.3 | 0.106 |
| RR/VO2(breaths/ml/Kg/min) | 1.2 | ± | 0.3 | 1.3 | ± | 0.3 | 0.363 |
| VO2/HR (ml/ beat) | 0.3 | ± | 0.3 | 0.2 | ± | 0.3 | 0.015 |
VO2: peak oxygen consumption; VCO2: peak carbon dioxide production; RER: respiratory exchange ratio; Ve: minute-ventilation; Vt: tidal volume. P value refers to the result of paired student’s T test.