Research Article
Diagnostic Accuracy of Serum and Urine S100A8/A9 and Serum Amyloid A in Probable Acute Abdominal Pain at Emergency Department
Table 7
Summary of diagnostic accuracy of various biomarkers of interest in the study group.
| Test result variable(s) | AUC | SE | Sensitivity | Specificity | value | Asymptotic 95% confidence interval | Lower bound | Upper bound |
| WBC count (×109/L) | 0.713 | 0.040 | 97.5% | 76% | <0.001 | 0.634 | 0.792 | Serum S100A8/A9 | 0.855 | 0.028 | 91.5% | 87.2% | <0.001 | 0.799 | 0.911 | Urine S100A8/A9 | 0.791 | 0.033 | 93% | 77.5% | <0.001 | 0.725 | 0.856 | Serum amyloid A | 0.499 | 0.045 | 33.6% | 43.5% | .984 | 0.412 | 0.587 |
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