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Table 1 Classification and clinical rheumatological data of 26 JIA patients

From: Relationship between disease course in the temporomandibular joints and mandibular growth rotation in patients with juvenile idiopathic arthritis followed from childhood to adulthood

  Normal TMJ* group
n = 11
Abnormal TMJ group
n = 15
p-values
ILAR diagnosis**      
   Oligoarthritis 3 (27%) 4 (27%)  
   Extended oligoarthritis    4 (27%)  
   Polyarthritis, rheumatoid factor positive 2 (18%) 3 (20%)  
   Polyarthritis, rheumatoid factor negative    1 (7%)  
   Systemic arthritis 3 (27%) 2 (13%)  
   Enthesitis related arthritis 2 (18%) 1 (7%)  
   Psoriatic arthritis 1 (9%)    
Disease onset age (years) 6.4 ± 2.9 3.8 ± 1.9 0.012
Disease duration at final follow-up (years) 27.4 ± 2.3 30.1 ± 2.9 0.017
Mean age at final follow-up (years) 33.7 ± 2.6 33.9 ± 3.0 0.72
Disease variables at final follow-up:      
   Number of active joints (range 0-69) 1.0 ± 1.4 10.4 ± 15.0 0.033
   Number of joints with limited range of motion (range 0-69) 3.2 ± 4.7 24.9 ± 23.6 0.009
   Physician's global assessment (0-100 mm VAS) 9.4 ± 19.1 24.9 ± 30.0 0.064
   Patient's global assessment (0-100 mm VAS) 4.8 ± 9.6 31.6 ± 17.4 0.001
   Physical function (HAQ disability index, range 0-3) 0.5 ± 0.7 0.6 ± 0.6 0.23
  1. Values are the number of patients (%), or the mean ± SD
  2. * TMJ = temporomandibular joint
  3. ** Patients were classified at the final follow-up with old and new patient files at hand