| Demographic |
|
| Female:male |
61:2 |
| Age (years) (mean (SD)) |
60 (12) |
| Disease duration (years) (mean (SD)) |
9 (4) |
| Clinical |
|
| Labial salivary gland histological grade 3–4* |
46 (73%) |
| Arthralgia |
42 (67%) |
| Raynaud's symptom |
36 (57%) |
| Recurrent salivary gland swelling |
28 (45%) |
| Latent dRTA |
16/45 (36%) |
| Proteinuria (⩾0.15 g/24 h) |
24 (41%) |
| Arthritis (non‐erosive) |
13 (21%) |
| Purpura |
12 (19%) |
| Peripheral nervous system symptoms |
11 (18%) |
| Alveolitis or pulmonary fibrosis |
7 (11%) |
| Pleuritis |
7 (11%) |
| Lymphadenopathy |
7 (11%) |
| Central nervous system symptoms |
5 (8%) |
| Myositis |
0 |
| Associated diseases |
|
| Hypothyroidism |
9 (14%) |
| Coeliac disease |
7 (11%) |
| Immunological |
|
| ANA positive |
53/62 (86%) |
| RF positive |
45/61 (74%) |
| anti‐SSA antibody positive |
43/61 (71%) |
| anti‐SSB antibody positive |
32/61 (52%) |
