Tissue-Specific Autoantibodies Improve Diagnosis of Primary Sjögren’s Syndrome in the Early Stage and Indicate Localized Salivary Injury

Table 4

The comparison of clinical and laboratory data in TSA-positive and TSA-negative pSS patients.

	Anti-CA6+ ()	Anti-CA6- ()		Anti-SP1+ ()	Anti-SP1- ()		Anti-PSP+ ()	Anti-PSP- ()		TSA+ ()	TSA- ()
Female	49 (96.1%)	80 (93.0%)	0.710	13 (92.9%)	116 (94.3%)	0.588	33 (94.3%)	96 (94.1%)	1.000	59 (95.2%)	70 (93.3%)	0.729
Age (years)			0.399			0.422			0.452			0.906
Duration (years)			0.553			0.504			0.307			0.754
WBC (10^9/L)			0.904			0.797			0.915			0.476
Hb (g/L)			0.699			0.597			0.233			0.675
PLT (10^9/L)			0.765			0.946			0.347			0.937
CRP (mg/L)			0.863			0.817			0.346			0.892
ESR (mm/h)			0.340			0.167			0.131			0.904
γG (%)			0.472			0.472			0.089			0.801
IgG (g/L)			0.633			0.449			0.355			0.726
IgA (g/L)			0.013			0.149			0.416			0.280
IgM (g/L)			0.055			0.099			0.005			0.480
C3 (g/L)			0.759			0.473			0.918			0.794
C4 (g/L)			0.729			0.470			0.997			0.804
RF (IU/mL)			0.285			0.313			0.195			0.266
Anti-α-fodrin (U/ml)			0.031			0.099			0.054			0.001
ESSDAI			0.373			0.738			0.915			0.646

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