Table 2.

Demographic data.

	Experimental G.	Control G	Sum	p-value
	n (%)	N (%)	n (%)
Sex
male	27 (77.1)	27 (72.3)	54 (75)	0.683
female	8 (22.9)	10 (27.0)	18 (25)	χ2-test
mean ± std (year)	39.5 ± 12.6	38.6 ± 13.8	39.0 ± 13.2	0.7833
min~max	16 ~65.00	16 ~64.00	16 ~65.00	t-test
Age
10 ~19	4 (11.4)	5 (13.5)	9 (12.5)	0.8549
20 ~29	4 (11.4)	6 (16.2)	10 (13.9)	Exact test
30 ~39	9 (25.7)	5 (13.5)	14 (19.4)
40 ~49	12 (34.3)	13 (35.1)	25 (34.7)
50 ~59	4 (11.4)	6 (16.2)	10 (13.9)
60 ~69	2 (5.7)	2 (5.4)	4 (5.6)
Height n(%)	35 (48.6)	37 (51.4)	72 (100)
mean ± std (cm)	167.7 ± 8.74	168.2 ± 7.55	168.0 ± 8.09	0.817
min~max	151 ~185.00	148 ~190.00	148 ~190.00	t-test
Weight n(%)	35 (48.6)	37 (51.4)	72 (100)
mean ± std (kg)	66.5 ± 13.7	66.4 ± 10.5	66.4 ± 12.1	0.9837
min~max	39 ~110.00	52 ~100.00	39 ~110.00	t-test