Table 4. Propensity-score matched open aortic group.

Patient Characteristic	Pre-Implementation	Post-Implementation	P-Value
	586	586
Age at Procedure	61.5 (50.1, 71.7)	61.8 (50.6, 70.8)	0.71
Female Gender, n(%)	173 (29.5%)	173 (29.5%)	1.00
Race, n(%)			0.85
White	370 (63.1%)	356 (60.8%)
Black	38 (6.5%)	42 (7.2%)
Native American	3 (0.5%)	1 (0.2%)
Pacific Islander	7 (1.2%)	9 (1.5%)
Asian	69 (11.8%)	73 (12.5%)
Other/Unknown	99 (16.9%)	105 (17.9%)
Pre-Op COPD, n (%)	27 (4.6%)	27 (4.6%)	1.00
Pre-Op Dialysis, n(%)	7 (1.2%)	11 (1.9%)	0.34
Pre-Op Diabetes, n(%)	58 (9.9%)	73 (12.5%)	0.16
History of Atrial Fibrillation, n(%)	71 (12.1%)	59 (10.1%)	0.26
Pre-Op HTN, n(%)	344 (58.7%)	327 (55.8%)	0.32
History of Ventricular Tachycardia, n(%)	8 (1.4%)	7 (1.2%)	0.79
NYHA, n(%)			0.076
0	403 (68.8%)	423 (72.2%)
1	176 (30.0%)	154 (26.3%)
2	3 (0.5%)	0 (0.0%)
3	4 (0.7%)	9 (1.5%)
4	0 (0.0%)	0 (0.0%)
Post-Op LOS day (IQR)	8.5 (5.9, 13.8)	7.9 (5.9, 13.0)	0.32
ICU LOS hours (IQR)	91.7 (50.6, 139.4)	69.6 (45.7, 127.9)	<0.001
Post-Op Vent hours (IQR)	79.3 (16.5, 740.3)	46.3 (13.2, 308.6)	0.003
Days to Urinary Catheter Removal (IQR)	2.3 (1.5, 3.8)	2.4 (1.6, 4.3)	0.080
Days to First Ambulation (IQR)	2.5 (1.6, 3.6)	1.8 (1.5, 3.4)	<0.001
Days to First Bowel Movement (IQR)	3.0 (1.0, 4.0)	3.0 (1.0, 3.0)	0.003
Post-Op Ventilator Associated Pneumonia	50 (8.5%)	36 (6.1%)	0.12
30-day mortality	41 (7%)	21 (3.6%)	0.012
Post-Op Urinary Tract Infection	37 (6.3%)	23 (3.9%)	0.064
Post-Op Wound Infection	8 (1.4%)	7 (1.2%)	0.79
Euroscore (IQR)	3.0 (1.6, 5.3)	3.2 (1.7, 5.7)	0.63

Propensity-Score Matched Open Aortic Group. Values are presented as n (%) or median (interquartile range).