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Table 1 Characteristics of the patients with juvenile idiopathic arthritis included in this study

From: Expression of the inflammatory chemokines CCL5, CCL3 and CXCL10 in juvenile idiopathic arthritis, and demonstration of CCL5 production by an atypical subset of CD8+ T cells

Characteristic Disease subtype
  Persistent oligoarticular
(n = 21)
Extended oligoarticular
(n = 16)
Polyarticular
(n = 13)
Female:male 14:7 11:5 8:5
Mean age at sampling in years (± 1 SD) 9.69 (± 4.71) 9.66 (± 3.18) 13.23 (± 5.51)
Mean disease duration in years (± 1 SD) 3.64 (± 4.70) 6.17 (± 3.92) 7.60 (± 5.21)
Number (%) ANA+ 17 (80.9%) 11 (68.8%) 3 (23%)
Number (%) RF positive 0 (0%) 0 (0%) 2 (15%)
Number (%) on MTX at time of sampling 3 (14.3%) 8 (50.0%) 8 (61.5%)
Number (%) on Prednisolone at time of sampling 0 (0%) 2 (12.5%) 1 (7.7%)
Number (%) on NSAID at time of sampling 17 (80.9%) 14 (87.5%) 11 (84.6%)
  1. ANA, anti-nuclear antibody; MTX, methotrexate; NSAID, non-steroidal anti-inflammatory; RF, rheumatoid factor antibody; SD, standard deviation.
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