Table 2.

Cleveland Clinic Foundation Acute Renal Failure Scoring Systema

Risk FactorPoints
Female gender1
Congestive heart failure2
LV ejection fraction <35%1
Preoperative use of IABP2
Insulin-requiring diabetes1
Previous cardiac surgery1
Emergency surgery2
Valve surgery only (reference to CABG)1
CABG + valve (reference to CABG)2
Other cardiac surgeries2
Preoperative creatinine 1.2 to <2.1 mg/dl (reference to 1.2)2
Preoperative creatinine >1.2b5
  • a COPD, chronic obstructive pulmonary disease; CABG, coronary artery bypass graft. From Thakar et al. (30).

  • b Minimum score = 0; maximum score = 17.