Table 1.

Characteristics and operative data of patients with spontaneous and iatrogenic acute TAAD in the unmatched and propensity score matched cohorts.

	Unmatched Cohorts			Propensity Score Matched Cohorts
Characteristics	Spontaneous TAAD No. 3799	Iatrogenic TAAD No. 103	Standardized Differences	Spontaneous TAAD No. 102	Iatrogenic TAAD No. 102	Standardized Differences
Age, y	63.2 (13.1)	69.2 (9.4)	0.528	69.8 (10.9)	69.2 (9.4)	0.066
Females	1138 (30.0)	47 (45.6)	0.328	53 (52.0)	46 (45.1)	0.137
Bicuspid aortic valve	147 (3.9)	4 (3.9)	0.001	3 (2.9)	4 (3.9)	0.054
Diabetes	186 (4.9)	10 (9.7)	0.186	11 (10.8)	10 (9.8)	0.032
Stroke	147 (3.9)	6 (5.8)	0.091	4 (3.9)	6 (5.9)	0.091
Pulmonary disease	313 (8.2)	14 (13.6)	0.172	13 (12.7)	14 (13.7)	0.029
Extracardiac arteriopathy	181 (4.8)	18 (17.5)	0.413	14 (13.7)	18 (17.6)	0.108
Prior cardiac surgery	87 (2.3)	1 (1.0)	0.104	0 (0)	1 (1.0)	0.141
Severe aortic regurgitaion	706 (18.7)	9 (8.8)	0.364	16 (15.7)	9 (8.8)	0.210
Cardiac massage	159 (4.2)	8 (7.8)	0.151	6 (5.9)	8 (7.8)	0.078
Cardiogenic shock on inotropes	631 (16.6)	17 (16.5)	0.003	17 (16.7)	17 (16.7)	0.000
Cerebral malperfusion	819 (21.6)	10 (9.7)	0.331	9 (8.8)	10 (9.8)	0.034
Spinal malperfusion	80 (2.1)	2 (1.9)	0.012	1 (1.0)	2 (2.0)	0.082
Renal malperfusion	358 (9.4)	6 (5.8)	0.136	7 (6.9)	6 (5.9)	0.040
Mesenteric malperfusion	159 (4.2)	3 (2.9)	0.069	2 (2.0)	3 (2.9)	0.063
Peripheral malperfusion	535 (14.1)	8 (7.8)	0.204	7 (6.9)	8 (7.8)	0.038
DeBakey type I dissection	3205 (84.7)	32 (68.6)	0.399	66 (64.7)	70 (68.6)	0.083
Salvage procedure	221 (5.8)	7 (6.8)	0.040	4 (3.9)	5 (4.9)	0.048
Aortic arch replacement	771 (20.3)	5 (4.9)	0.479	16 (15.7)	15 (14.7)	0.027
Aortic root replacement	1082 (28.5)	15 (14.6)	0.344	6 (5.9)	7 (6.9)	0.040
CABG	306 (8.1)	46 (44.7)	0.913	3 (2.9)	46 (45.1)	1.000

Values are number (percentages) or mean (standard deviation). CABG = coronary artery bypass grafting; TAAD = type A aortic dissection.