Table 1.
Characteristics of patients with primary Sjögren's syndrome (SS)
| Duration of symptoms (years) | Autoantibodies (OD)* | Total IgG† (mg/ml) | RF† (IU/ml) | ||||
|---|---|---|---|---|---|---|---|
| Patient | Age/sex | Ro52 | Ro60 | LaA | |||
| SS127 | 68/female | 14 | 2·4 | 2·4 | 2·1 | 15·3 | 697 |
| SS118 | 82/female | 32 | 2·5 | 2·2 | 2·3 | 30·1 | 579 |
| SS102 | 54/ female | 15 | 2·4 | 2·4 | 1·7 | 23·8 | 154 |
| SS155 | 63/female | 19 | 2·4 | 2·4 | 2·3 | 31·1 | 421 |
| SS179 | 80/female | 31 | 2·1 | 2·1 | 2·5 | 50·4 | 1110 |
| SS137 | 23/female | 5 | 1·7 | 1·4 | 2·5 | 16·1 | 540 |
| SS107 | 69/ emale | 14 | 2·5 | 2·3 | 2·5 | 35·3 | 172 |
Autoantibodies were measured by enzyme-linked immunosorbent assay, with *optical density (OD) < 0·2 considered normal; †total immunoglobulin (Ig)G and rheumatoid factor (RF) were measured by nephelometry.