Table 4. Surgical characteristics of the female and male patients who received AAD surgery before propensity score matching.

	Type A open				Type B stent
Variable	Female (n = 1,286)	Male (n = 2,883)	P	STD	Female (n = 124)	Male (n = 549)	P	STD
Type A dissection surgical detail (n = 4,169)
Extension of aortic surgery
Partial or total aortic arch replacement	354 (27.5)	949 (32.9)	0.001	-0.12	-	-		-
Aortic root replacement	106 (8.2)	312 (10.8)	0.010	-0.09	-	-		-
Elephant trunk	31 (2.4)	98 (3.4)	0.089	-0.06	-	-		-
Ascending aorta replacement only	817 (63.5)	1,593 (55.3)	<0.001	0.17	-	-		-
Additional surgery
CABG	119 (9.3)	294 (10.2)	0.346	-0.03	1 (0.8)	11 (2.0)	0.363	-0.10
Valve replacement	119 (9.3)	258 (8.9)	0.752	0.01	1 (0.8)	6 (1.1)	0.776	-0.03

AAD, acute aortic dissection; STD, standardized difference; CABG, coronary artery bypass graft.

Value are given as number (%) or mean ± standard deviation.