Table 1.
Patient clinical characteristics.
| Feature | n (%) | median (range) |
|---|---|---|
| Patients | 8 (100) | |
| Age (years) | 52.5 (37–56) | |
| Disease duration (years) | 17 (8–43) | |
| Sex F/M | 5 (62.5)/3(37.5) | |
| ACPA-positive | 7 (87.5) | |
| RF-positive | 3 (37.5) | |
| HLA-DRB1*04:01 | 8 (100) | |
| ACR/EULAR-2010 fulfillment* | 8 (100) | |
| Current MTX treatment** | 4 (50) | |
| Current anti-TNF treatment | 5 (62.5) | |
| Current glucocorticoid treatment | 3 (37.5) | |
| Current JAK-inhibitor treatment | 1(6.25) | |
| Erosive disease | 5 (62.5) |
*One patient was initially diagnosed with JIA but was later re-diagnosed ACPA + RF + rheumatoid arthritis.
**One patient did not have any active antirheumatic treatment.