Table 1 Clinical characteristics at the first study visit in 435 children in the Nordic juvenile idiopathic arthritis (JIA) cohort according to the presence of acute or chronic uveitis during > 7 years of follow-up
All children | No uveitis | Acute uveitis | Chronic uveitis | |||||
|---|---|---|---|---|---|---|---|---|
N | N | N | N | |||||
Female gender | 435 | 286 (65.8) | 346 | 227 (65.6) | 9 | 4 (44.4) | 80 | 55 (68.8) |
Age at onset, median (1st, 3rd q) | 435 | 5.5 (2.4, 9.5) | 346 | 6.2 (2.8, 10) | 9 | 10.8 (9.3, 12.9) | 80 | 3.2 (1.8, 5.9) |
Oligoarticular onseta | 435 | 224 (51.5) | 346 | 180 (52.0) | 9 | 1 (11.1) | 80 | 43 (53.8) |
ANA positive | 427 | 116 (27.2) | 340 | 79 (23.2) | 9 | 0 (0) | 78 | 37 (47.4) |
AHA >15 U/ml | 134 | 23 (17.2) | 112 | 14 (12.5) | 3 | 1 (33.3) | 19 | 8 (42.1) |
RF positive | 424 | 10 (2.4) | 336 | 9 (2.7) | 9 | 1 (11.1) | 79 | 0 (0.0) |
HLA-B27 positive | 413 | 87 (21.1) | 325 | 62 (19.1) | 9 | 7 (77.8) | 79 | 18 (22.8) |
ESR, median (1st, 3rd q) | 354 | 14 (8, 28) | 276 | 14 (8, 26) | 8 | 23 (10, 41) | 70 | 16 (9, 36) |
CRP, median (1st, 3rd q) | 350 | 0 (0, 10) | 276 | 0 (0, 10) | 9 | 0 (0, 16) | 65 | 0 (0, 14) |
JADAS27, median (1st, 3rd q) | 194 | 5.1 (2.0, 11.0) | 157 | 5.0 (2.0, 9.8) | 7 | 10.4 (5.6, 14.9) | 30 | 3.8 (1.6, 12.5) |
CHAQ, median (1st, 3rd q)) | 273 | 0.3 (0.0, 1.0) | 222 | 0.4 (0.0, 1.0) | 8 | 0.4 (0.1, 1.2) | 43 | 0.3 (0.0, 1.0) |
DMARD use 2nd visitb | 350 | 125 (35.6) | 316 | 111 (35.1) | 7 | 3 (37.5) | 27 | 11 (42.3) |