Characteristics of patients with psoriatic juvenile idiopathic arthritis (JIA) who would be classified as polyarticular or oligoarticular JIA if the inclusion criterion of psoriasis in a first-degree relative was disregarded.
| Age, yrs | Sex | Characteristic | |
|---|---|---|---|
| At Diagnosis | At 6 Months | ||
| Polyarticular, n = 8 | |||
| 1.6 | F | No. active joints: 15 | No active joints recorded |
| Dactylitis: 1 | Dactylitis: 5 | ||
| 0.8 | F | No. active joints: 14 | No. active joints: 1 |
| Dactylitis: 3 | Dactylitis: 1 | ||
| 2.6 | F | No. active joints: 7 | No. active joints:1 |
| Dactylitis: 1 | Dactylitis: not recorded | ||
| 4.2 | F | No. active joints: 14 | No. active joints: 5 |
| Dactylitis: 3 | Dactylitis: not recorded | ||
| 0.3 | M | No. active joints: 15 | No. active joints: 1 |
| Dactylitis: 2 | Dactylitis: not recorded | ||
| 8.5 | F | No. active joints: 10 | Nothing recorded |
| Sacroiliitis | |||
| Nail pits | |||
| 2.8 | M | No. active joints: 6 | No. active joints: 2 |
| Nail pits | Nail pits: not recorded | ||
| 2.4 | M | No. active joints: 5 | Nothing recorded |
| Dactylitis: 1 | |||
| Oligoarticular, n = 3 | |||
| 11.1 | F | No. active joints: 2 | Nothing recorded |
| Dactylitis: 1 | |||
| 7.7 | F | No. active joints: 3 | Nothing recorded |
| Dactylitis: 1 | |||
| 10.5 | F | No. active joints: 1 | Nothing recorded |
| Sacroiliitis | |||
| Nail pits | |||