From: Onset age is a risk factor for refractory pediatric IgA vasculitis: a retrospective cohort study
 | Total (n = 484) | ≤6 Y (n = 234) | 6–12 Y (n = 210) | 12–18 Ya (n = 40) | P value |
---|---|---|---|---|---|
CS | 406 (83.9%) | 193 (82.5%) | 179 (85.2%) | 34 (85.0%) | 0.718 |
NSAIDs | 436 (90.1%) | 216 (92.3%) | 188 (89.5%) | 32 (80.0%) | 0.518 |
DMARDs | 253 (52.3%) | 91 (38.9%) | 133 (63.3%) | 29 (72.5%) | <  0.001 |
 Azathioprine | 224 (46.3%) | 83 (35.5%) | 119 (56.7%) | 22 (55.0%) | <  0.001 |
 Cyclosporine | 64 (13.2%) | 20 (8.5%) | 33 (15.7%) | 11 (27.5%) | 0.002 |
 hydroxychloroquine | 61 (12.6%) | 22 (9.4%) | 29 (13.8%) | 10 (25.0%) | 0.018 |
 Othersb | 32 (6.6%) | 3 (1.3%) | 18 (8.6%) | 11 (27.5%) | <  0.001 |