Table 3.
Urinary L-FABP levels predictive of AKI in the EVAR study
| Time point | Cutoff value (μg/g Cr) | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|---|
| Preoperation | 9.0 | 0.67 | 0.82 | 0.63 | 0.85 |
| After anesthesia induction | 5.9 | 0.89 | 0.61 | 0.51 | 0.93 |
| At stent placement | 16.3 | 0.78 | 0.80 | 0.64 | 0.89 |
| Postoperation | 9.2 | 0.89 | 0.57 | 0.48 | 0.92 |
| 4 h postoperation | 87.8 | 0.56 | 0.92 | 0.76 | 0.82 |
| POD1 | 68.1 | 0.44 | 0.87 | 0.63 | 0.78 |
| POD2 | 28.1 | 0.56 | 0.74 | 0.48 | 0.79 |
| POD3 | 62.3 | 0.44 | 0.92 | 0.71 | 0.79 |
L-FABP liver-type fatty-acid-binding protein, AKI acute kidney injury, EVAR endovascular aneurysm repair, PPV positive predictive value, NPV negative predictive value, POD postoperative day, Cr creatinine