Table 2. Pre-match open aortic group.

Patient Characteristic	Pre-Implementation	Post-Implementation	P-Value
	601	833
Age at Procedure	61.6 (50.3, 71.8)	62.1 (50.8, 70.7)	0.68
Female Gender, n(%)	180 (30%)	218 (26.2%)	0.11
Race, n(%)			0.71
White	379 (63.1%)	524 (62.9%)
Black	41 (6.8%)	48 (5.8%)
Native American	3 (0.5%)	1 (0.1%)
Pacific Islander	7 (1.2%)	10 (1.2%)
Asian	70 (11.6%)	108 (13.0%)
Other/Unknown	101 (16.8%)	142 (17.0%)
Pre-Op COPD, n (%)	40 (6.7%)	38 (4.6%)	0.085
Pre-Op Dialysis, n(%)	7 (1.2%)	16 (1.9%)	0.26
Pre-Op Diabetes, n(%)	59 (9.8%)	118 (14.2%)	0.014
History of Atrial Fibrillation, n(%)	74 (12.3%)	86 (10.3%)	0.24
Pre-Op HTN, n(%)	354 (58.9%)	489 (58.7%)	0.94
History of Ventricular Tachycardia, n(%)	8 (1.3%)	9 (1.1%)	0.67
NYHA, n(%)			0.003
0	416 (69.2%)	495 (59.4%)
1	177 (29.5%)	324 (38.9%)
2	3 (0.5%)	5 (0.6%)
3	4 (0.7%)	9 (1.1%)
4	1 (0.2%)	0 (0.0%)
Post-Op LOS day (IQR)	8.4 (5.9, 13.8)	7.8 (5.8, 12.5)	0.041
ICU LOS hours (IQR)	91.8 (50.7, 139.0)	68.6 (45.0, 118.9)	<0.001
Post-Op Vent hours (IQR)	78.9 (16.6, 750.1)	40.3 (13.2, 249.4)	<0.001
Days to Urinary Catheter Removal (IQR)	2.9 (1.8, 4.8)	2.3 (1.6, 3.7)	<0.001
Days to First Ambulation (IQR)	2.5 (1.6, 3.6)	1.7 (1.5, 3.2)	<0.001
Days to First Bowel Movement (IQR)	3.0 (1.0, 4.0)	3.0 (1.0, 3.0)	<0.001
Post-Op Ventilator Associated Pneumonia	51 (8.5%)	51 (6.1%)	0.086
30-day mortality	43 (7.2%)	26 (3.1%)	<0.001
Post-Op Urinary Tract Infection	40 (6.7%)	26 (3.1%)	0.002
Post-Op Wound Infection	8 (1.3%)	9 (1.1%)	0.67
Euroscore (IQR)	3.1 (1.7, 5.5)	2.9 (1.6, 5.9)	0.76

Pre-match Open Aortic Group. Values are presented as n (%) or median (interquartile range).