Research Article
Tissue-Specific Autoantibodies Improve Diagnosis of Primary Sjögren’s Syndrome in the Early Stage and Indicate Localized Salivary Injury
Table 3
Comparison of the positivity of TSAs in patients with and without anti-SSA, anti-SSB, and ANA.
| | Antibodies | Anti-SSA+ () | Anti-SSA- () | | Anti-SSB+ () | Anti-SSB- () | | ANA+ () | ANA- () | |
| | Anti-CA6+ | 37 (34.3%) | 14 (48.3%) | 0.166 | 20 (35.1%) | 31 (38.8%) | 0.662 | 44 (37.3%) | 7 (36.8%) | 0.970 | | Anti-SP1+ | 10 (9.3%) | 4 (13.8%) | 0.495 | 7 (12.3%) | 7 (8.8%) | 0.501 | 12 (10.2%) | 2 (10.5%) | 1.000 | | Anti-PSP+ | 21 (19.4%) | 14 (48.3%) | 0.002 | 13 (22.8%) | 22 (27.5%) | 0.960 | 29 (24.6%) | 6 (31.6%) | 0.573 | | TSA+ | 44 (40.7%) | 18 (62.1%) | 0.04 | 23 (40.4%) | 39 (48.8%) | 0.986 | 53 (44.9%) | 9 (47.4%) | 0.728 |
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