“…4 Creatinine clearance, another indicator of renal function, has been used to predict postoperative complications. 29,30 Creatinine clearance incorporates serum creatinine, age, and weight to provide a more accurate assessment of renal function than serum creatinine alone. Kertai and colleagues evaluated 852 subjects undergoing major vascular surgery and demonstrated an increase in mortality as both serum creatinine increased and creatinine clearance decreased, with creatinine clearance providing a more accurate assessment.…”