Table 1 Characteristics of incident cases of primary Sjögren’s syndrome
From: Cigarette smoking and the risk of primary Sjögren’s syndrome: a nested case control study
Characteristic | Patients (n = 63) |
|---|---|
Sex (male/female) (n) | 5/58 |
Age at diagnosis of pSS (years) | 61 (54–69) |
Time between inclusion and diagnosis (years) | 8.2 (2.4–14.1) |
Time between onset of symptoms and diagnosis (years) | 4.0 (1.0–6.8) |
Anti-SSA seropositive | 59% |
Anti-SSB seropositive | 41% |
ANA seropositive | 73% |
RF seropositive | 57% |
Lower lip salivary gland biopsy focus score ≥1 | 85% |