Presence of autoantibodies
| Presence of autoantibodies | Men (n=122)6-150 Positive (%) | Women (n=149)6-150 Positive (%) | All (n=271)6-150 Positive (%) |
|---|---|---|---|
| +ve anti-Ro | 15 (12.3) | 14 (9.4) | 29 (10.7) |
| +ve anti-La | 4 (3.3) | 6 (4.0) | 10 (3.7) |
| +ve anti-Ro or anti-La | 16 (13.1) | 16 (10.7) | 32 (11.8) |
| +ve ANA | 6 (5.2) | 17 (11.6) | 23 (8.8) |
| +ve Rheumatoid Factor | 4 (3.5) | 7 (4.8) | 11 (4.2) |
| Any +ve Autoantibodies | 23 (18.9) | 33 (22.2) | 56 (20.7) |
↵6-150 Frequencies do not add to 341 because of incomplete collection and analysis of some blood samples.
+ve anti-Ro= ⩾2 international units/ml. +ve anti-La= ⩾2 international units/ml. +ve ANA= >1:120. +ve RF= >1:40.