Table 4.
Multivariate logistic regression
| Model and Variables | Odds Ratio (95% CI) | P | AUC (95% CI) |
|---|---|---|---|
| Model 0 (base) | <0.0001 | 0.75 (0.66, 0.84) | |
| baseline creatinine (per μmol/L) | 1.03 (1.01, 1.04) | ||
| percentage change in creatininea | 1.06 (1.03, 1.08) | ||
| Model 1 | <0.0001 | 0.80 (0.71, 0.89)b | |
| baseline creatinine (per μmol/L) | 1.02 (1.00, 1.04) | ||
| percentage change in creatininea | 1.06 (1.03, 1.08) | ||
| log hepcidin-25 | 0.30 (0.15, 0.60) | ||
| Model 2 | <0.0001 | 0.80 (0.70, 0.89)b | |
| baseline creatinine (per μmol/L) | 1.02 (1.00, 1.04) | ||
| percentage change in creatininea | 1.05 (1.02, 1.08) | ||
| log hepcidin-25/creatininec | 0.26 (0.12, 0.58) |
AUC, area under the curve; CI, confidence interval.
a
Percentage change in serum creatinine refers to the relative change in creatinine from baseline to exit from the operating room.
b
P < 0.05 compared to base model.
c
Hepcidin-25 corrected for urinary creatinine.