Should Endovascular Repair Be Reimbursed for Low Risk Abdominal Aortic Aneurysm Patients? Evidence from Ontario, Canada

Table 2

Postoperative complications (30 days or to discharge).

Postoperative complications	EVAR; (𝑛=140)	OSR High Risk; (𝑛=52)	OSR Low Risk; (𝑛=143)	EVAR versus OSR High Risk	EVAR versus OSRLow Risk	OSR High versus Low Risk
Death	1 (0.7%)	5 (9.6%)	2 (1.4%)	𝑃<.01	𝑃=1.00	𝑃=.02
MI	6 (4.3%)	5 (9.6%)	7 (4.9%)	𝑃=.17	𝑃=.80	𝑃=.31
CHF/Pulmonary edema	5 (3.4%)	9 (17.3%)	16 (11.1%)	𝑃<.01	𝑃=.49	𝑃=.26
Arrythmia	5 (3.6%)	5 (9.6%)	8 (5.6%)	𝑃=.14	𝑃=.40	𝑃=.34
Stroke	1 (0.7%)	0	0	𝑃=1.00	𝑃=1.00	𝑃=1.00
Renal failure	5 (3.6%)	6 (11.5%)	5 (3.5%)	𝑃=.07	𝑃=1.00	𝑃=.07
Pneumonia	0	4 (7.7%)	7 (4.9%)	𝑃<.01	𝑃=.02	𝑃=.04
Sepsis	0	3 (5.8%)	1 (0.7%)	𝑃=.02	𝑃=1.00	𝑃=.06
Paralytic ileus	0	4 (7.7%)	6 (4.2%)	𝑃<.01	𝑃=.03	𝑃=.46
Wound Infection/lymphocele	1 (0.7%)	1 (1.9%)	0	𝑃=.27	𝑃=.50	𝑃=.27
Graft occlusion	0	0	0	𝑃=1.00	𝑃=1.00	𝑃=1.00
Blood transfusion	11 (7.9%)	11 (21.2%)	8 (5.6%)	𝑃=.02	𝑃=.45	𝑃<.01
Vascular reoperation	1 (0.7%)	1(4.4%)	3 (2.1%)	𝑃=.50	𝑃=.62	𝑃=1.0
Arterial embolus	1 (0.7%)	0	1 (0.7%)	𝑃=1.00	𝑃=1.00	𝑃=1.0
Urinary tract infection	0	1 (1.9%)	1 (0.7%)	𝑃=.27	𝑃=1.00	𝑃=.46
GI bleed	0	0	2 (1.4%)	𝑃=1.00	𝑃=.50	𝑃=1.00
Other surgery	1 (0.7%)	3 (5.77%)	1 (0.7%)	𝑃=.06	𝑃=1.00	𝑃=.66