N (%) Dermatologic Malar rash 25  67.6% Photosensitivity 16 43.2% Oral ulcer 7 18.9% Discoïd rash 5 13.5% Joint Arthralgia 21 56.8% Arthritis 17 45.9% Serositis Pleuritis 4 10.8% Pericarditis 3 8.1% Renal Proteinuriaa 27 73%  LN confirmed by renal biopsy 13 - Class III Class IV 4 7 - -  Class V 2 - Neuropsychiatric 5 13.5% Haematologic 35 94.6% Anemiab 32 86.5% Leucopoeniac 14 37.8% Thrombocytopeniad 12 32.4%

Table 2: Clinical and biological manifestations in 37 SLE patients. a24-h protein excretion>0.5 g/day bHb<12g/dl cWBC<3.5 × 109/l dThrombocytes<150 × 109/l