Table 3. Results of univariable analysis for risk factors of AKI after OPCAB.
| Variables | Unadjusted OR | 95% CI | P | |
|---|---|---|---|---|
| Lower | Upper | |||
| Male gender | 1.05 | 0.89 | 1.25 | 0.55 |
| Age | 1.03 | 1.02 | 1.04 | <0.001 |
| BMI >25 | 1.23 | 1.06 | 1.42 | 0.006 |
| Diabetes | 1.37 | 1.18 | 1.59 | <0.001 |
| Prior MI | 1.32 | 1.09 | 1.61 | 0.006 |
| SBP ≥140 mmHg | 1.38 | 1.18 | 1.61 | <0.001 |
| LVEF <40% | 1.87 | 1.28 | 2.72 | 0.001 |
| Preoperative Hct <40% | 1.67 | 1.43 | 1.95 | <0.001 |
| Ccr <80 mL/min | 0.65 | 0.56 | 0.75 | <0.001 |
| Clopidogrel discontinuation <5 d | 1.09 | 0.94 | 1.26 | 0.26 |
| UDPB class 3–4 bleeding | 1.58 | 1.26 | 1.97 | <0.001 |
BMI, body mass index; MI, myocardial infarction; SBP, systolic blood pressure; LVEF, left ventricular ejection fraction; Hct, haematocrit; Ccr, creatinine clearance rate.