Table 4. Pooled positive rate of various serum markers in Chinese AIP patients.

				Tests of Heterogeneity			Tests of Publication Bias
Serum markers	Studies No	Positive Cases / Total Cases	Pooled Positive Rate, % (95%CI)	Q Value	P	I 2(%)	Begg’s P	Egger’s P
IgG4 a	9	170/195	86.0(74.2–94.6)	31.71	0.0001	74.8	0.0446	0.0265
IgG b	19	257/391	70.3(60.6–79.1)	74.87	<0.0001	76	0.195	0.3595
IgE c	4	49/113	61.8(23.7–92.9)	37.6	<0.0001	91.9	0.75	0.7564
γ-globulin	12	154/225	67.9(56.9–78.0)	34.67	0.0003	68.3	0.0138	0.0019
Rheumatoid factor	6	34/110	35.7(20.7–52.2)	14.75	0.0115	66.1	0.2722	0.0517
ANA d	13	83/266	33.3(24.8–42.4)	29.21	0.0037	58.9	0.0573	0.074
ESR e	7	65/109	59.4(50.4–68.2)	10.20	0.1163	41.2	0.1668	0.0051
CA19-9	18	178/411	41.5(34.9–48.3)	32.16	0.0144	47.1	0.9697	0.3708

^aImmunoglobulin G4

^bImmunoglobulin G

^cImmunoglobulin E

A

^dAnti-neutrophil antibody

^eErythrocyte sedimentation rate