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Table 1 Clinical features of patients with juvenile idiopathic arthritis

From: An association between the acute phase response and patterns of antigen induced T cell proliferation in juvenile idiopathic arthritis

Subclass n Female/male Age in years (median [range]) Disease duration in months (median [range]) B27+ (n) ANA+ (n)
Oligoarthritis 13 8/5 8 (2–17) 34 (6–106) 1 6
Ext. oligoarthritis 2 2/0 12 (10–14) 98 (65–131) 0 1
Systemic arthritis 1 0/1 15 156 0 0
Psoriatic 8 4/4 13 (6–15) 42 (5–175) 2 6
ERA 7 1/6 13 (9–14) 12 (1–60) 3 2
Polyarthritis RF- 5 1/4 10 (5–14) 10 (4–129) 1 3
Polyarthritis RF+ 1 1/0 15 12 0 0
Other 2 0/2 11 (9–13) 3 (3–3) 0 0
Total 39 17/22 11 (2–17) 27 (1–175) 7 18
  1. ANA, antinuclear antibody; RF, rheumatoid factor;