| Clinical Features | Articular Pattern | ||||
|---|---|---|---|---|---|
| Primary | Subtype | Polyarticular | Oligoarticular | Spondyloarthritis | DIPalone |
| n=248 | n=175 | n=120 | n=12 | ||
| Family history | Psoriasis (%) | 20.2 | 16 | 20 | 41.7 |
| IA (%) | 7.3 | 9.1 | 15.8 | 8.3 | |
| Comorbidity (%) | 27 | 26.3 | 27.5 | 0 | |
| Extraarticular features | Nail (%) | 38.3 | 25.1 | 37.5 | 58.3 |
| Dactylitis (%) | 33.5 | 21.1 | 24.2 | 58.3 | |
| Enthesitis (%) | 9.3 | 5.1 | 10 | 8.3 | |
| Eye (%) | 4.4 | 0.6 | 2.5 | 0 | |
| Laboratory features | HLA B27 (%) | 11 | 5.8 | 13 | 0 |
| RF (%) | 5 | 2.8 | 0.9 | 0 | |
| ACCP (%) | 8.1 | 5.9 | 2.2 | 0 | |