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Table 2 Presence of acute or chronic uveitis in the different JIA categories according to the International League of Associations for Rheumatology (ILAR) classification criteria at the final study visit in 435 children in the Nordic juvenile idiopathic arthritis (JIA) cohort

From: Incidence and predictors of Uveitis in juvenile idiopathic arthritis in a Nordic long-term cohort study

JIA category

All children n = 435 (% of all)

No uveitis n = 346 (%)

Acute uveitis n = 9 (%)

Chronic uveitis n = 80 (%)

Cumulative total uveitis incidence (95% CI)a

Systemic

18 (4.1)

18 (100.0)

0 (0)

0 (0)

0 (0, 18.5)

Oligoarticular persistent

131 (30.1)

106 (80.9)

0 (0)

25 (19.1)

19.1 (12.7, 26.9)

Oligoarticular extended

78 (17.9)

62 (79.5)

0 (0)

16 (20.5)

20.5 (12.2, 31.2)

Polyarticular RF negative

80 (18.4)

62 (77.5)

0 (0)

18 (22.5)

22.5 (13.9, 33.2)

Polyarticular RF positive

3 (0.7)

3 (100.0)

0 (0.0)

0 (0.0)

0 (0, 70.8)

Juvenile psoriatic arthritis

14 (3.2)

9 (64.3)

0 (0.0)

5 (35.7)

35.7 (12.8, 64.9)

Enthesitis-related arthritis

48 (11.0)

36 (75.0)

8 (16.7)

4 (8.3)

25.0 (13.6, 39.6)

Undifferentiated arthritis

63 (14.5)

50 (79.4)

1 (1.6)

12 (19.0)

20.6 (11.5, 32.7)

  1. aCI, confidence interval