Table 4. Diagnostic performance of serological parameters singly and combined, to differentiate AIP and PAC.

Variable	AUC(95%CI)	P value	FDR	Sensitivity	Specificity
Ca19-9 < 306.75 u/ml	0.730 (0.643–0.817)	<0.001	<0.0015	56%	96%
E% > 4.15	0.713 (0.584–0.843)	0.001	0.0017	60%	88%
Globulin > 29.80 g/L	0.775 (0.651–0.899)	<0.001	<0.0015	68%	85%
Hb (M) < 114.5 g/L	0.697 (0.557–0.836)	0.007	0.0084	87%	52%
Hb (F) < 118.5 g/L	0.851 (0.701–1.000)	0.024	0.0240	65%	100%
Combination	0.930 (0.880–0.979)	<0.001	<0.0015	92%	79%

E% eosinophil percentage, Hb hemoglobin, FDR False positive rate