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Table 1 Disease outcome, level of motor performance and functional skills development in pre-school aged children with oligo-, polyarticular and systemic onset Juvenile Idiopathic Arthritis.

From: Motor performance and functional ability in preschool- and early school-aged children with Juvenile Idiopathic Arthritis: a cross-sectional study

Preschool age              
OligoJIA n = 6      Score n < -2sd PolyJIA n = 15      Score n < -2sd SystJIA n = 1 Score n < -2sd
  Min Max Mean SD    Min Max Mean SD    
Disease duration (yrs.) .0 1.0 .8 .4    1.0 1.0 1.0 .0   1.0  
Disease Outcome (%):              
Swelling index 0 55 13.3 20.9    0 40 18.5 13.4   10  
ped. EPM-ROM 0 10 5.7 4.1    2 25 11.1 5.7   10  
CHAQ Ds 0 35 13.3 13.3    0 75 27.3 22.3   15  
VAS pain 0 45 16.7 16.9    0 75 24.6 27.6   0  
VAS dis. severity 0 70 25 24.1    0 90 33.6 29.4   25  
Motor skills:              
BSID2 (DI) 79 120 99.8 16.7    55 108 70.33 16.9 9 60 1
Functional skills       n = 14        
PEDI Self-care 40.8 53.1 47.8 4.1    32.7 55.1 42.3 6.6   46.4  
PEDI Mobility 20.3 68.3 47.1 16.4 1   12.8 62.9 38.6 12.9 3 30  
PEDI Social skills 40.1 58.2 50 7.4    19.1 70.4 45.9 15.8 2 33.8  
  1. OligoJIA: oligo-articular Juvenile Idiopathic Arthritis, PolyJIA: polyarticular Juvenile Idiopathic Arthritis, SystJIA: Systemic onset Juvenile Idiopathic Arthritis, ped. EPM-ROM: pediatric Escola Paulista Medicina Range Of Motion Scale, CHAQ Ds: Childhood Health Assessment Questionnaire Disability Score, VAS:
  2. Visual Analogue Scale, Dis. Severity: Disease Severity. Disease outcome is presented in % of maximum loss/impairment. BSID2 (DI): Bayley Scale of Infant Development II (Developmental Index; presented as index scores, +/- 2 SD's is 70–130), PEDI: Pediatric Evaluation of Disability Inventory (presented as standard scores, range 30–70). Abn. Score: Abnormal Score (i.e. < -2 SD). n < -2 SD: number of patients with abnormal score.