Table 1. Comparison of subject characteristics

Characteristics	Experimental group (n=20)	Control group (n=20)	p-value
Gender (male/female)	8/12	9/11	None
Age (years)	21.05±1.61	21.15±1.76	0.40
Body mass (kg)	60.05±13.07	60.55±12.33	0.72
Height (cm)	168.25±6.90	169.30±6.93	0.88

Data are expressed as mean±SD.