Patients with | n (%) |
Malar rash | 7 (25) |
Discoid rash | 2 (7) |
Photosensitivity | 15 (54) |
Oral ulcers | 5 (18) |
Arthritis/arthralgia | 22 (79) |
Serositis | 7 (25) |
Renal disorder | 19 (68) |
Sicca syndrome | 7 (25) |
Haematological disorder | |
Haemolytic anaemia | 4 (14) |
Leucopenia | 9 (32) |
Thrombocytopenia | 5 (18) |
Antinuclear antibody | 28 (100) |
Anti-dsDNA antibody | 20 (71) |
Antibodies against extractable nuclear antigens | 21 (75) |
Sm | 12 (43) |
nRNP | 12 (43) |
Ro/SS-A | 13 (46) |
La/SS-B | 9 (32) |
Ribosomal P | 6 (21) |
Low complement haemolytic activity (CH50)1-150 | 7 (25) |
Increased plasma complement split product C3d | 18†/27 (67) |
↵1-150 30.3 (11.9) U/ml (normal range 20–50 U/ml). †15.4 (5.6) mg/l (normal range <10 mg/l).