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Table 1 Epidemiological and clinical data from patients with JIA (n = 24)

From: Tuberculin skin test and ELISPOT/T. SPOT.TB in children and adolescents with juvenile idiopathic arthritis

Variables n %
Gender Female 17 70,8
Male 7 29,2
JIA subtypes Polyarticular rheumatoid factor negative 10 41,7
Oligoarticular persistent 9 37,5
Systemic 5 20,8
Patients’ age at JIA diagnosis (range; mean; median) 20-216  
(100±50; 92)  
Timeframe between JIA diagnosis and inclusion in the study (range; mean; median) 1-108  
(30±38; 9)  
Disease duration: timeframe between JIA onset and inclusion in the study (range; mean; median) 2-108  
(35±37; 23)  
Patients’ age at inclusion (range; mean; median) 36-217  
(130±51; 119)  
Epidemiological history of contact with TB at inclusion (T0) yes 8 33,3
no 16 66,6
  1. Time is referred in months.