Table 1.

Baseline characteristics of patients and healthy individuals.

Age
	Number	Mean age	t score	P
Healthy	49	55.65 ± 8.34	0.229	.796
Control	31	54.42 ± 10.03
Experimental	32	54.56 ± 9.08

Sex
	Number	Female	Male	χ2	P
Healthy	49	29	20	0.168	.920
Control	31	19	12
Experimental	32	18	14