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Table 4 Development of clinical variables during a follow-up time of at least seven years after onset (median 98, range 84–147 months) in groups of patients included in a cohort of 440 Nordic patients with JIA

From: Psoriasis and associated variables in classification and outcome of juvenile idiopathic arthritis - an eight-year follow-up study

  Psoriasis or psoriasis-like rash Dactylitis
n = 27 n a n = 24 n a
Radiological SIb
 At onset   0   
 Cumulative at median 98 months   2   0
Inflammatory back pain/buttock pain
 At onset   3   0
 Cumulative at median 98 months   6   0
 At onset   5   3
 Cumulative at median 98 months   6   4
  1. aNumber of patients with the feature developing during the first median 98 months
  2. b SI sacroiliitis