Table 3.
Analysis of receiver operating characteristic for diagnosis of septic acute kidney injury by potential indicators
| AUC | 95%CI | Cut-off point | Sensitivity | Specificity | |
| SIRS | 0.555a | 0.446 - 0.660 | 2.69 | 27.03% | 92.45% |
| Lac | 0.674a | 0.567 - 0.769 | 2.67 mmol/L | 62.16% | 64.15% |
| Scr | 0.825a | 0.730 - 0.897 | 129.98 μmol/L | 56.76% | 100.00% |
| BUN | 0.658a | 0.551 - 0.755 | 2.84 mmol/L | 37.74% | 91.89% |
| PI | 0.912 | 0.833 - 0.961 | 15.93 dB | 100.00% | 75.47% |
| RT | 0.758a | 0.656 - 0.842 | 8.1 s | 83.78% | 58.49% |
| WIS | 0.928 | 0.853 - 0.972 | 1.48 dB/s | 100.00% | 71.70% |
| Combination | 0.943 | 0.873 - 0.981 | 0.48 | 94.59% | 81.13% |
a
P < 0.05, vs the combination. SIRS: Systemic inflammatory response score; Lac: Lactic acid; Scr: Serum creatinine; BUN: Blood urea nitrogen; PI: Peak intensity; RT: Rise time; WIS: Wash in slope; AUC: Area under the curve.