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Table 1 (abstract A28). See text for description

From: Proceedings of the 2019 Childhood Arthritis and Rheumatology Research Alliance (CARRA) Annual Scientific Meeting

Characteristic

Frequency (%) or Median (25-75%)

Age at enrollment (years)

12.0 (7.0 – 15.0)

Female

4,760 (71%)

White Race

5,432 (81%)

Private health insurance

4,515 (67%)

Disease duration (years)

2.5 (0.4 – 6.1)

ILAR category:

 Oligoarthritis, persistent

1,634 (24%)

 Oligoarthritis, extended

519 (8%)

 Polyarthritis, RF-

2,184 (33%)

 Polyarthritis, RF+

472 (7%)

 Psoriatic arthritis

490 (7%)

 Enthesitis related arthritis

687 (10%)

 Systemic arthritis

571 (9%)

 Undifferentiated arthritis

147 (2%)

 ANA+

3,004 (45%)

 RF+

556 (8%)

 CCP+

447 (7%)

 HLA-B27+

545 (8%)

 Polyarthritis course

4,269 (64%)

 Uveitis, ever

721 (11%)

 Number of active joints

1 (0 – 3)

 Physician global assessment

1 (0 – 3)

 Active enthesitis

469 (7%)

 Clinically active sacroiliitis

237 (4%)

  1. Clinical characteristics at enrollment (N=6,707)