Rate of uveitis according to age at onset of arthritis, sex, and ANA status. Data are number (%).
| Age at Arthritis Onset | n | Girls Patients with Uveitis | Patients with ANA-positive Uveitis | n | Boys Patients with Uveitis | Patients with ANA-positive Uveitis |
|---|---|---|---|---|---|---|
| < 3 yrs | 499 | 170 (34.1) | 157 (31.5) | 78 | 25 (32.1) | 23 (29.5) |
| 3–6 yrs | 217 | 41 (18.9) | 38 (17.5) | 83 | 29 (34.9) | 23 (27.7) |
| > 6 yrs | 219 | 20 (9.1) | 20 (9.1) | 101 | 17 (16.8) | 16 (15.8) |
| All ages | 935 | 231 (24.7) | 215 (23.0) | 262 | 71 (27.1) | 62 (23.7) |
ANA: antinuclear antibody.