Table 2.
Rates of autoantibodies expression in primary Sjögren's syndrome (pSS) patients according to sex.
| Autoantibody | Men | Women | P-value |
|---|---|---|---|
| ANA (n = 135) | 1 (10) | 77 (62) | 0·001 |
| Anti-52-kDa SSA (n = 134) | 2 (18) | 20 (16) | 0·7 |
| Anti-60-kDa SSA (n = 138) | 0 | 41 (32) | 0·03 |
| Anti-SSB (n = 140) | 0 | 24 (19) | 0·2 |
| Anti-CCP (n = 147) | 2 (18) | 6 (4) | 0·1 |
| RF (n = 148) | |||
| IgA | 1 (9) | 25 (18) | 0·7 |
| IgG | 1 (9) | 29 (21) | 0·5 |
| IgM | 3 (27) | 48 (35) | 0·7 |
| IgA anti-alpha-fodrin (n = 147) | 2 (18) | 35 (26) | 0·7 |
| IgG anti-alpha-fodrin (n = 148) | 0 | 23 (17) | 0·2 |
| Anti-calpastatin (n = 148) | 0 | 19 (14) | 0·3 |
Values are n (%) unless indicated otherwise. ANA: anti-nuclear antibodies; SSA: Sjögren's syndrome A; SSB: Sjögren's syndrome B; CCP: cyclic citrullinated peptide