Diagnostic Accuracy of Serum and Urine S100A8/A9 and Serum Amyloid A in Probable Acute Abdominal Pain at Emergency Department

Table 4

Distribution of mean white blood cell count and levels of biomarkers in common diagnoses based on the surgical and the nonsurgical groups.

Common diagnosis	Group	Statistics	WBC count	Serum S100A8/A9	Urine S100A8/A9	Serum amyloid A
Complicated ovarian cyst	Without surgery	Mean	9216.0	85.28	77.0	16.88
		Std. deviation	1640.80	68.79	61.99	17.03
		Minimum	6000.0	19.0	8.0	4.60
		Maximum	12000.0	282.0	229.0	78.0
	Surgery	Mean	12500.0	185.0	169.0	3.55
		Std. deviation	424.26	59.40	84.85	4.46
		Minimum	12200.0	143.0	109.0	0.40
		Maximum	12800.0	227.0	229.0	6.70
		-value^¥	0.006	0.07	0.09	0.50
Acute cholecystitis	Without surgery	Mean	12400.0	70.0	49.33	17.53
		Std. deviation	3384.67	61.02	41.62	11.07
		Minimum	7400.0	29.0	13.00	7.70
		Maximum	18000.0	189.0	125.00	39.30
	Surgery	Mean	19318.12	244.91	140.73	17.75
		Std. deviation	24309.09	144.94	20.11	11.99
		Minimum	10000.0	138.0	110.0	7.60
		Maximum	92500.0	545.0	169.0	40.60
		value^¥	0.99	0.005	0.001	0.88
Ectopic pregnancy	Without surgery	Mean	13566.67	149.0	150.33	33.20
		Std. deviation	4377.60	87.02	54.86	22.23
		Minimum	9500.0	63.0	111.0	9.70
		Maximum	18200.0	237.0	213.0	53.90
	Surgery	Mean	16000.0000	336.000	251.0000	7.9000
		value^¥	0.990	0.50	0.50	0.50

Statistically significant value. value from the Mann–Whitney test.