Logistic regression analysis of presurgical factors for all AKI
| Parameter | β-Coefficient | SE | OR (95% CI) | p Value |
|---|---|---|---|---|
| Univariate logistic regression | ||||
| Age | 0.036 | 0.011 | 1.037 (1.015 to 1.060) | 0.001 |
| Diabetes mellitus | 0.737 | 0.241 | 2.090 (1.303 to 3.352) | 0.002 |
| Hypertension | −0.872 | 0.330 | 0.418 (0.219 to 0.798) | 0.008 |
| Inotropic agent | 0.784 | 0.350 | 2.190 (1.103 to 4.350) | 0.025 |
| Mechanical ventilation | −1.542 | 0.403 | 0.214 (0.097 to 0.471) | <0.001 |
| Serum creatinine | 2.114 | 0.329 | 8.284 (4.346 to 15.792) | <0.001 |
| Albumin | −1.349 | 0.354 | 0.260 (0.130 to 0.520) | <0.001 |
| Haemoglobin | −0.146 | 0.054 | 0.864 (0.777 to 0.961) | 0.007 |
| hs-CRP | 0.016 | 0.005 | 1.016 (1.005 to 1.027) | 0.004 |
| IABP | −1.595 | 0.363 | 0.203 (0.100 to 0.413) | 0.001 |
| Ejection fraction | −0.048 | 0.008 | 0.953 (0.938 to 0.968) | <0.001 |
| Recent MI | 0.876 | 0.240 | 2.402 (1.500 to 3.846) | <0.001 |
| CAD vessels | 0.511 | 0.296 | 1.667 (0.993 to 2.980) | 0.084 |
| Multivariate logistic regression | ||||
| Age | 0.034 | 0.019 | 1.035 (0.997 to 1.074) | 0.072 |
| Serum creatinine | 3.005 | 0.667 | 20.283 (5.459 to 70.659) | <0.001 |
| Ejection fraction | −0.042 | 0.014 | 0.959 (0.933 to 0.986) | 0.003 |
| CHF Fc III/IV | 0.934 | 0.537 | 2.545 (0.889 to 7.287) | 0.082 |
| constant | −4.421 | 1.385 | – | – |
ACEF, age, creatinine and ejection fraction; AKI, acute kidney injury; CAD, coronary artery disease; CHF Fc, congestive heart failure functional class; hs-CRP, high-sensitivity C reactive protein; MI, myocardial infarction; STS, Society of Thoracic Surgeons.