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Table 1 Table 1

From: Disease characteristics and medication use in a multicenter cohort of children with juvenile idiopathic arthritis (JIA): preliminary analyses from the CARRAnet registry

Characteristuc N (%)
JIA Category  
Systemic 87 (8)
Polyarticular (RF-) 334 (31)
Polyarticular (RF+) 266 (25)
Extended Oligoarticular 91 (9)
Psoriatic 56 (5)
Enthesitis-Related 110 (10)
Undifferentiated 37 (3)
Other or unknown 14 (1)
Female 783 (73)
Race  
White 965 (89)
Black or African American 62 (6)
Asian 29 (3)
Other 54 (5)
Ethnicity  
Hispanic or Latino 101 (9)
Positic Serology  
ANA 483 (45)
RF (initial) 88 (8)
RF (confirmatory) 46 (4)
Anti-CCP 51 (5)
HLA-B27 95 (9)
Uveitis  
Current 46 (4)
Past 74 (7)
ACR Functional Class  
Class I 872 (81)
Class II 179 (17)
Class III 28 (3)
Class IV 4 (<1)
Health-related quality of life  
Excellent 242 (23)
Very good 437 (41)
Good 352 (33)
Poor 28 (3)
Very Poor 1 (<1)
Imaging evidence of joint damageI 265 (25)