Patterns of joint involvement at onset and during followup in 132 patients with systemic juvenile idiopathic arthritis. Values are number (percentage) of patients.
| At Onset | During Disease Course | |||||
|---|---|---|---|---|---|---|
| Joint Involvement | Early Onset | Late Onset | p | Early Onset | Late Onset | p |
| Small joints | 6 (32) | 64 (57) | 0.04 | 10 (53) | 75 (66) | NS |
| Large joints | 15 (79) | 191 (89) | NS | 16 (84) | 105 (93) | NS |
| Upper limb joints | 10 (53) | 90 (80) | 0.01 | 13 (68) | 100 (88) | NS |
| Lower limb joints | 15 (80) | 101 (89) | NS | 17 (89) | 106 (94) | NS |
| Cervical | 6 (32) | 59 (52) | NS | 11 (58) | 70 (62) | NS |
| Hip | 3 (16) | 39 (35) | NS | 10 (53) | 65 (58) | NS |
NS: nonsignificant.