Clinical characteristics of 39 patients with primary Sjögren's syndrome. Values are presented as median and range unless indicated otherwise
| Age (years) | 49 (20–81) |
| Disease duration (years) | 5 (1–30) |
| ESR (mm/1st h) | 30 (11–97) |
| ANA (No (%) positive) | 29 (74) |
| RF (No (%) positive) | 19 (49) |
| SS-A (No (%) positive) | 25 (64) |
| SS-B (No (%) positive) | 14 (36) |
| Sialography (No (%) positive) | 32 (83) |
| Salivary gland biopsy (No (%) positive)1-150 | 33 (85) |
All patients had at least one serological test positive. In all patients at least sialography or salivary gland biopsy results were abnormal.
ESR = erythrocyte sedimentation rate; ANA = antinuclear antibodies; RF = rheumatoid factor; SS-A = Sjögren's syndrome A antibodies; SS-B = Sjögren's syndrome B antibodies.
↵1-150 Lymhocytic infiltration in salivary gland biopsy specimen (⩾2 foci or >50 lymphocytes/4 mm2 gland tissue).