Table 1

Baseline and 1-year follow-up demographic, clinical and imaging findings of the 40 patients with juvenile idiopathic arthritis

Baseline (N=40; F:30; M:10)Follow-up (N=40; F:30; M:10)
Age at study visit (years)10.8 (8.3; 14.7)12.2 (9.6; 15.8)
Disease duration (years)4.1 (2.2; 6.4)5.2 (3.4; 7.9)
Number active joints7.0 (2.0; 17)1.0 (0; 4.0)
Restricted joint count6.0 (2.0; 13.0)2.0 (0; 5.0)
Physician's global assessment (VAS 0–100 mm)6.0 (3.7; 8.2)1.0 (0; 2.6)
C-HAQ score; (0=best, 3=worst)0.4 (0; 1.2)0.1 (0; 0.5)
Parent's global assessment (VAS 0–100 mm)2.4 (1.0; 5.1)0.6 (0.1; 2.6)
CRP (mg/dl)0.7 (0.45; 5.3)0.45 (0.45; 0.45)
ESR, mm/h*33.0 (16.0; 60.0)13.0 (7.0; 21.0)
MRI synovitis score (0–3)4.0 (3.0; 6.0)3.0 (2.0; 3.0)
MRI BMO score (0–2)4.0 (2.0; 9.0)3.0 (1.0; 5.0)
Paediatric bone erosion score (0–4)3.0 (1.0; 8.0)4.0 (2.0; 8.2)
RAMRIS bone erosion score (0–10)3.0 (1.0; 8.2)4.0 (2.0; 9.0)
Adapted Sharp/van der Heijde score10 (5.5; 14.5)11.0 (5.0; 17.5)
  • Values are median (first and third quartiles).

  • BMO, bone marrow oedema; C-HAQ, Childhood Health Assessment Questionnaire; CRP, C reactive protein; ESR, erythrocyte sedimentation rate; RAMRIS, Rheumatoid Arthritis MRI Score; VAS, visual analogue scale.

  • * Normal <20 mm/h.

  • Normal <0.46 mg/dl.