Histological and serological features in patients with primary SS and controls. 1–10 are patients, 11–20 controls
| Subjects | Lymphocytic infiltrate (grade) | IgG | IgM | DNAPVB19 |
|---|---|---|---|---|
| Patients | ||||
| 1 | IV | − | − | − |
| 2 | III | + | − | + |
| 3 | IV | − | − | − |
| 4 | III | − | − | − |
| 5 | III | − | − | − |
| 6 | IV | + | − | − |
| 7 | III | − | − | − |
| 8 | IV | − | − | − |
| 9 | IV | − | − | − |
| 10 | IV | − | − | − |
| Controls | ||||
| 11 | Absent | − | − | − |
| 12 | Absent | + | − | − |
| 13 | II | − | − | − |
| 14 | I | − | − | − |
| 15 | Absent | − | − | − |
| 16 | Absent | − | − | − |
| 17 | I | + | − | − |
| 18 | Absent | − | − | − |
| 19 | Absent | + | − | + |
| 20 | Absent | − | − | − |