AUC, best cut-off value, sensitivity and specificity of each risk factor in the evaluation of CKD with AAE
| Factor | Best cut-off value | Sensitivity | Specificity | AUC (95% CI) | P value |
| Haemoglobin | 88.50 | 0.800 | 0.667 | 0.710 (0.580 to 0.841） | 0.622 (vs albumin), 0.654 (vs blood phosphorus) |
| Albumin | 28.80 | 0.867 | 0.485 | 0.663 (0.527 to 0.799） | 0.963 (vs blood phosphorus) 0.233 (vs blood uric acid) |
| Blood phosphorus | 1.010 | 1.000 | 0.364 | 0.667 (0.532 to 0.802） | 0.214 (vs blood uric acid) |
| Blood uric acid | 228.5 | 1.000 | 0.152 | 0.542 (0.397 to 0.686） | 0.090 (vs haemoglobin) |
AAE, antibiotic-associated encephalopathy; AUC, area under the curve; CKD, chronic kidney disease.