Number | 31 | 19 |
Sex (M/F) | 1/30 | 6/13 |
Age (years), mean (SD) | 49.7 (13.1) | 47.3 (12.5) |
Disease duration (years), mean (SD) | 8.6 (4.8) | – |
Biopsy | 18 (58) | – |
Glandular manifestations | 19 (61) | 0 |
Recurrent parotid swelling | 12 (39) | – |
Recurrent conjunctivitis | 11 (35) | – |
Extraglandular manifestations | 27 (87) | 0 |
Hypergammaglobulinaemia | 23 (74) | – |
Arthralgia | 12 (39) | – |
Leucocytopenia | 11 (35) | – |
Myalgia | 10 (32) | – |
Generalised tendomyopathy | 8 (26) | – |
Skin disease | 4 (13) | – |
Peripheral neuropathy | 4 (13) | – |
Pulmonary disease | 3 (10) | – |
Thyroiditis | 3 (10) | – |
RF (Waaler-Rose test) | 31 (100) | 0 |
ANA | 31 (100) | 0 |
Anti-Ro antibodies | 28 (90) | 0 |
Anti-La antibodies | 23 (74) | 0 |