Table 2.

Past medical history and family history of AA group and non-AA group

	Family history of AA	Coronary heart disease	Hypertension	Cerebrovascular disease	Diabetes
AA (n = 169)	2	68	103	22	17
Non-AA (n = 156)	0	27	38	2	10
p value		0.000*	0.000*	0.000*	0.234

Independent t-test was performed; *: p < 0.05