Table I.

Baseline Demographics of the Study Cohort. SD: Standardized Differences. ACE/ARB: angiotensin converting enzyme (ACE) inhibitor or angiotensin receptor blocker (ARB)

	On Statin Preoperatively (n = 25,997)	Not On Statin Preoperatively (n = 11,953)		SD After Weighting
Characteristic	n (%) unless specified		P Value	%
Age (median [IQR])	73 [67 – 79]	72 [66 – 79]	< .001	−1.1%
Male sex	20,935 (81%)	9,234 (77%)	< .001	−0.9%
White race	23,707 (91%)	10,742 (90%)	< .001	−0.2%
EVAR	20,298 (78%)	8,959 (75%)	< .001	−0.2%
Aortic Diameter (median [IQR])	55 [51 – 61]	57 [51 – 67]	< .001	0.3%
Urgency:			< .001	0.7%
Intact	22,632 (87%)	8,797 (74%)
Symptomatic	2,037 (8%)	1,356 (11%)
Ruptured	1,295 (5%)	1,779 (15%)	<.001	1.7%
Center Volume Quartile
1 st (lowest)	6,587 (25%)	3,030 (25%)
2nd	6,290 (24%)	3,168 (27%)
3rd	6,798 (26%)	3,020 (25%)
4th (highest)	6,272 (24%)	2,715 (23%)
Hypertension	22,644 (87%)	8,770 (73%)	< .001	−0.6%
Diabetes	5,767 (22%)	1,557 (13%)	< .001	−2.7%
Coronary Artery Disease	8,933 (34%)	1,936 (16%)	< .001	−0.6%
Congestive Heart Failure	3,196 (12%)	965 (8%)	< .001	−1.7%
COPD	8,541 (33%)	3,858 (32%)	0.14	−1.2%
Chronic Kidney Disease	9,327 (36%)	4,047 (34%)	< .001	−1.1%
Dialysis	29 (0.1%)	22 (0.2%)	0.053	−1.1%
Vascular Disease	3,588 (14%)	946 (8%)	< .001	−3.1%
Smoking	22,701 (87%)	10,166 (85%)	< .001	−0.2%
BMI			< .001	−0.4%
Underweight	555 (2%)	463 (4%)
Normal	6,809 (26%)	3,808 (32%)
Overweight	10,148 (39%)	4,272 (36%)
Obese	3,410 (29%)	8,485 (33%)
Medicaid/Self-pay	617 (3%)	464 (5%)	< .001	0.4%
Aspirin	18,892 (73%)	5,105 (43%)	< .001	−0.8%
Any Antiplatelet Agent	19,662 (76%)	5,316 (44%)	< .001	−0.8%
Beta-Blocker	16,557 (64%)	4,905 (41%)	< .001	.0.5%
ACE/ARB	10,475 (50%)	2,836 (30%)	< .001	−1.3%