Patient selection: open lower limb revascularization surgery
Patient-related risk factors:
(1) history of prior percutaneous coronary intervention (PCI, odds ratio 1.47)
(2) Peripheral Artery Questionnaire symptom score <= 20 (odds ratio 1.48)
(3) history of prior vascular surgery (odds ratio 1.57)
(4) body mass index >= 25 kg per square meter (odds ratio 1.78)
(5) history of congestive heart failure (odds ratio 1.86)
(6) any antiplatelet medication (odds ratio 4.29)
(7) hypertension (odds ratio 4.29)
(8) renal failure with intermittent hemodialysis (odds ratio 4.35)
Hospital-related risk factors:
(1) major teaching hospital (odds ratio 1.66)
(2) hospital size < 500 beds (odds ratio 2.22)
Procedure-related risk factors:
(1) concomitant stent (odds ratio 0.38)
(2) iodine only for skin preparation (odds ratio 1.73)
(3) peak blood glucose > 180 mg/dL (odds ratio 1.99)
(4) stent or graft thrombosis in the operating room (odds ratio 2.18)
(5) surgical time >= 240 minutes (odds ratio 2.95)
