Table 1. Characteristics of participants.

Parameters	Training (n = 16)	Test (n = 8)	P
Age, yr	27.5 ± 6.6	25.1 ± 3.7	0.413
Height, cm	172.6 ± 6.8	174.8 ± 6.2	0.724
Weight, kg	70.1 ± 11.2	75.0 ± 9.6	0.269
The duration of Bruce protocol exercise, sec	842 ± 89	796 ± 107	0.272
Measured VO2max, mL/kg/min	48.5 ± 5.3	46.8 ± 4.5	0.284
The duration of the measurement using sensor, min	2,935 ± 767	3,319 ± 426	0.178

All values are mean ± standard deviation. P values were calculated using the Mann-Whitney U test.

VO₂max = maximal oxygen consumption.