Table 3. Correlation between bilirubin and other continuous variables in pSS patients.

	Bilirubin
	r	p
Age	0.255	0.012
White blood cell count	-0.121	0.239
Immunoglobulin A	-0.314	0.003
Immunoglobulin M	0.098	0.371
Immunoglobulin G	-0.265	0.015
Complement component 3	0.025	0.818
Complement component 4	0.081	0.458
Rheumatoid factor	0.007	0.957
Erythrocyte sedimentation rate	-0.309	0.002
C-reactive protein	-0.190	0.069
Alanine aminotransaminase	0.107	0.297
Aspartate aminotransferase	0.040	0.702
ESSDAI	-0.342	0.001
pSS: Primary Sjögren’s syndrome; ESSDAI: The European League Against Rheumatism Sjögren’s syndrome disease activity index.