Table 1. The clinical characteristics of acute aortic dissection and control groups.

Characteristics	TAAD (n = 25)	Control (n = 20)
Age (years)	52.3 ± 12.1	53.4 ± 8.2
Male	24 (96%)	18 (90%)
Female	1(4%)	2 (10%)
Current smoking	10 (40%)	4 (20%)
Hypertension	20 (80%)*	0
Atherosclerosis	12 (48%)	4 (20%)
Aortic	1 (4%)	0
Hyperlipidemia	0	0
Diabetes mellitus	3 (12%)	0
Marfan syndrome	0	0

Data are presented as mean ± SD or n (%). *P <0.05.

TAAD: type A aortic dissection