Table 1.

Preoperative characteristics.

Characteristics	Unmatched cohort					Matched cohort
	Overall	Female	Male	p-Value	SMD	Overall	Female	Male	p-Value	SMD
Age at operation	62 (52–68)	64 (53–70)	60 (52–67)	0.051	1.43	64 (53–70)	63 (52–70)	64 (55–70)	0.968	−0.27
BMI	25.5 (22.8–28.1)	23.1 (20.2–27.4)	26.3 (24.3–28.9)	<0 . 001	1.14	24.4 (21.9–27.5)	23.9 (20.6–27.7)	24.7 (22.6–27.1)	0.201	0.22
Marfan	12.86% (n = 40)	16.16% (n = 16)	11.32% (n = 24)	0.275	1.12	13.41% (n = 22)	15.85% (n = 13)	10.98% (n = 9)	0.493	0.91
Hypertension	65.27% (n = 203)	59.6% (n = 59)	67.92% (n = 144)	0.161	−1.41	64.63% (n = 106)	63.41% (n = 52)	65.85% (n = 54)	0.870	−0.32
Hyperlipidemia	22.83% (n = 71)	12.12% (n = 12)	27.83% (n = 59)	0 . 002	−3.49	18.29% (n = 30)	14.63% (n = 12)	21.95% (n = 18)	0.313	−1.27
Diabetes	5.14% (n = 16)	2.02% (n = 2)	6.6% (n = 14)	0.088	−2.07	1.83% (n = 3)	2.44% (n = 2)	1.22% (n = 1)	0.560	−0.58
Coronary artery disease	32.48% (n = 101)	21.21% (n = 21)	37.74% (n = 80)	0 . 004	−3.13	29.88% (n = 49)	24.39% (n = 20)	35.37% (n = 29)	0.172	−1.55
Cerebrovascular disease	8.36% (n = 26)	9.09% (n = 9)	8.02% (n = 17)	0.750	0.31	10.98% (n = 18)	7.32% (n = 6)	14.63% (n = 12)	0.211	−1.51
Chronic renal disease	19.94% (n = 62)	16.16% (n = 16)	21.7% (n = 46)	0.255	−1.19	17.07% (n = 28)	14.63% (n = 12)	19.51% (n = 16)	0.534	−0.83
COPD	15.11% (n = 47)	12.12% (n = 12)	16.51% (n = 35)	0.314	−1.10	16.46% (n = 27)	14.63% (n = 12)	18.29% (n = 15)	0.674	−0.63
Tobacco smoking	22.51% (n = 70)	20.2% (n = 20)	23.58% (n = 50)	0.506	−0.67	17.68% (n = 29)	17.07% (n = 14)	18.29% (n = 15)	0.838	−0.20
PVD	15.11% (n = 47)	8.08% (n = 8)	18.4% (n = 39)	0.018	−2.70	12.2% (n = 20)	8.54% (n = 7)	15.85% (n = 13)	0.232	−1.45
Aortic preoperation	50.5% (n = 157)	43.4% (n = 43)	53.8% (n = 114)	0.089	−1.72	46.3% (n = 76)	46.3% (n = 38)	46.3% (n = 38)	1.000	0

SMD, standardized mean differences; BMI, body mass index; COPD, chronic obstructive pulmonary disease; PVD, peripheral vascular disease.

Statistically significant values are highlighted in bold.