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Area under curve and threshold around the day of endoscopy
| Laboratory data | AUC | Threshold | Sensitivity | Specificity |
| WBC count | 0.573 | 5600 (/μL) | 70.5% | 46.4% |
| Hb | 0.902 | 11.7 (g/dL) | 94.1% | 77.1% |
| CRP | 0.722 | 0.5 (mg/dL) | 70.5% | 73.0% |
| BUN | 0.635 | 20.7 (mg/dL) | 52.9% | 85.0% |
| Cr | 0.580 | 1.20 (mg/dL) | 35.3% | 94.9% |
| BUN/Cr | 0.605 | 23.0 | 58.8% | 29.9% |
AUC: Area under curve; WBC: White blood cell; Hb: Hemoglobin; CRP: C-reactive protein; BUN: Blood urea nitrogen; Cr: Creatinine; BUN/Cr: The ratio of BUN divided by Cr.
