Age and sex distribution and frequency of antithyroid antibodies among the groups
| Group | n | F/M | Age (years) | Anti-TPO (%) | Anti-TG (%) | Both (%) | Total (%) |
|---|---|---|---|---|---|---|---|
| Values are n (%) or, for age, mean (SD). | |||||||
| Anti-TG, autoantibodies against thyroglobulin; anti-TPO, autoantibodies against thyroid peroxidase; AIT, autoimmune thyroiditis; F, female; M, male; PSS, primary Sjögren’s syndrome; RA, rheumatoid arthritis; SSS, secondary Sjögren’s syndrome. | |||||||
| PSS | 53 | 51/2 | 51.8 (14.8) | 5 (9) | 5 (9) | 4 (8) | 6 (11) |
| RA | 30 | 28/2 | 51.1 (12.2) | 2 (7) | 0 (0) | 0 (0) | 2 (7) |
| SSS | 12 | 12/0 | 57.3 (11.6) | 2 (17) | 1 (8) | 1 (8) | 2 (17) |
| Healthy | 53 | 51/2 | 52.0 (15.4) | 2 (4) | 2 (4) | 0 (0) | 4 (8) |
| AIT | 17 | 16/1 | 41.8 (15.8) | 14 (83) | 6 (35) | 4 (24) | 16 (94) |