Table I.

Clinical characteristics of subjects (mean ± SD).

	Group			P. value***
	Young (n=26)	Middle (n=26)	Old (n=26)
Age (years)	25.20±3.03a	39.46±6.97b	69.80±10.01c	<0.001
Body weight (kg)	66.88±9.64	72.95±12.60	64.11±19.26	0.058
Height (cm)	168.18±9.22a	165.66±10.37ab	161.51±10.98bc	0.043
BMI*	23.75±3.64	26.57±3.64	24.37±6.40	0.059
WHR**	0.85±0.07a	0.90±0.09ab	0.95±0.07bc	0.008

*Body mass index = weight (kg)/height (m²). **Waist to hip ratio=waist circumference (cm)/hip circumference (cm) ***Based on one-way ANOVA