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

Table 2

Comparison of the positivity of TSAs of the enrolled pSS patients and HCs.

	pSS ()	HC ()
Anti-CA6	51 (37.2%)	14 (11.0%)	<0.001
Anti-SP1	14 (10.2%)	9 (7.1%)	0.367
Anti-PSP	35 (25.5%)	7 (5.5%)	<0.001
TSA	62 (45.3%)	26 (20.5%)	<0.001