Table 3.

Correlation coefficient values of tumor markers and disease characteristics of primary Sjögren’s syndrome.

	NSE	CEA	CA125	CA153
Age, years	–0.045	0.303***	–0.037	–0.022
Duration, months	–0.090	0.072	–0.009	–0.124
ESSDAI	0.105	0.017	–0.031	0.078
ESR, mm/h	–0.047	0.041	0.022	0.101
CRP, mg/L	0.028	0.015	0.166*	0.043
IgG, g/L	–0.088	–0.076	–0.101	0.066
IgA, g/L	0.066	–0.113	–0.075	0.070
IgM, g/L	–0.015	0.060	0.231**	0.149
C3, g/L	0.008	–0.225*	–0.035	–0.134
C4, g/L	0.117	–0.140	0.005	0.071

^*p < 0.05;

^**p < 0.01;

^***p < 0.001.

C, complement; CA, carbohydrate antigen; CEA, carcinoembryonic antigen; CRP, c-reactive protein; ESR, erythrocyte sedimentation rate; ESSDAI, EULAR Sjögren’s syndrome disease activity index; Ig, immunoglobulin; NSE, neuron-specific enolase.