Table 3.

Characteristics of Patients with Unruptured Aneurysm, stratified by Type of Aortic Repair.^*

Characteristic†	Endovascular (N = 47,248)	Surgery (N = 27,307)	P
SCI	51 (0.1)	55 (0.2)	<0.001
Age, mean (SD), y	74.4 (8.7)	67.5 11.9)	<0.001
Female	8,867 (18.8)	8,041 (29.5)	<0.001
Race‡
White	39,345 (84.5)	21,669 80.8)	<0.001
Black	1,786 (3.8)	1,119 (4.2)
Hispanic	2,967 (6.4)	2,140 (8.0)
Asian	1,171 (2.5)	817 (3.0)
Other	1,322 (2.8)	1,088 (4.0)
Payment source§
Medicare	38,719 (82.0)	17,056 (62.5)	<0.001
Medicaid	923 (2.0)	1,197 (4.4)
Private	6,802 (14.3)	8,134 (29.8)
Self-pay	229 (0.5)	294 (1.1)
Other	574 (1.2)	624 (2.2)
Hypertension	36,014 (76.2)	20,028 (73.3)	<0.001
Diabetes	9,441 (20.0)	5,530 (20.3)	0.40
Coronary heart disease	22,849 (48.4)	12,013 (44.0)	<0.001
Congestive heart failure	4,039 (8.6)	4,477 (16.4)	<0.001
Peripheral vascular disease	11,427 (24.2)	6,900 (25.3)	0.001
Chronic obstructive pulmonary disease	13,024 (27.6)	7,577 (27.8)	0.60
Chronic kidney disease	5,671 (12.0)	2,939 (10.8)	<0.001
Atrial fibrillation	6,850 (14.5)	7,638 (28.0)	<0.001
Tobacco use	13,240 (28.0)	6,164 (22.6)	<0.001
Alcohol use	9,031 (19.1)	5,652 (20.7)	<0.001
Elixhauser comorbidities,| | mean (SD)	2.4 (1.5)	3.0 (1.7)	<0.001

Abbreviations: SD, standard deviation

^*Data do not include cases who underwent combined surgical plus endovascular procedures.

^†Data are presented as number (%) unless otherwise specified.

^‡Self-reported by patients or their surrogates. Numbers do not sum to group totals because of missing race/ethnicity data in 1.8% of patients.

^§Numbers do not sum to group totals because of missing payment-source data in <0.01% of patients.

^{| |}Numbers represent the number of Elixhauser comorbid conditions, which comprise a comprehensive set of 28 comorbidity measures for use with large administrative datasets.