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 (×10^9/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