| Registry | US | UK | GER | POR | CAN | SWE | NORD |
|---|---|---|---|---|---|---|---|
| N | 75 | 21 | 259 | 14 | 14 | 43 | 5 |
| Systemic Glucocorticoid | 80% | 57% | 71% | 71% | 93% | 95% | 100% |
| Methotrexate | 61% | 76% | 42% | 57% | 64% | 40% | 100% |
| Cyclosporine | 8% | 5% | 1% | 0% | 21% | 5% | 0% |
| Any Biologic | 61% | 29% | 18% | 29% | 29% | 47% | 100% |
| IL1 Inhibitor | 44% | 5% | 10% | 29% | 21% | 23% | 40% |
| Tocilizumab | 12% | 24% | 5% | 0% | 0% | 21% | 60% |
| TNF Inhibitor | 16% | 5% | 4% | 0% | 21% | 21% | 0% |