From: Biomarkers associating endothelial dysregulation in pediatric-onset systemic lupus erythematous
| Organ involvement, n (%) | |
| Neurological symptoms | 15/118 (12.71) |
| Vasculitis | 4/118 (3.40) |
| Arthritis | 8/118 (6.80) |
| Myositis | 2/118 (1.70) |
| Skin | 23/118 (19.50) |
| Mucosa | 15/118 (12.70) |
| Serositis | 8/118 (6.80) |
| Immunology | 93/118 (78.80) |
| Hematology | 24/118 (20.30) |
| Renal; WHO lupus nephritis, n (%) | |
| Class I | 0 /73 (0.0) |
| Class II | 8 /73 (10.9) |
| Class III | 12 /73 (16.4) |
| Class IV | 44/73(60.3) |
| Class V | 4 /73 (5.5) |
| Class VI | 0 /73 (0.0) |
| Class III+V | 3 /73 (4.1) |
| Class IV+V | 2 /73 (2.7) |