Demographic characteristics and measures of disease activity and improvement from baseline to 1-year followup in 41 girls and 19 boys.
| Characteristics | Baseline | 6 Months | 12 Months |
|---|---|---|---|
| Age at visit, yrs | 9.7 | 10.2 | 10.7 |
| Age at disease onset, yrs | 3.8 | ||
| Disease duration, yrs | 6.3 | ||
| Type onset of JIA, no. | |||
| Polyarthritis | 30 | ||
| Extended oligoarthritis | 15 | ||
| Persistent oligoarthritis | 8 | ||
| Psoriatic arthritis | 2 | ||
| Systemic arthritis with polyarticular course | 5 | ||
| JIA core set criteria | |||
| Physician’s global assessment of disease severity* | 8.1 | 4.86 | 2.87 |
| Parent’s global assessment of overall well-being* | 5.8 | 4.64 | 3.48 |
| Total no. of active joints | 26 | 18 | 13 |
| No. of joints with limitation of motion and with pain, tenderness, or both | 11 | 8 | 6 |
| Score on Childhood Health Assessment Questionnaire** | 1.4 | 0.91 | 0.56 |
| Erythrocyte sedimentation rate† | 46 | 32 | 25 |
| Pubertal stage†† | Stage 1 = 11 | ||
| Stage 2 = 9 | |||
| Stage 3 = 20 | |||
| Stage 4 = 5 | |||
| Stage 5 = 15 | |||
| Body mass index (mean) | 18 Girls 16 boys | ||
| % Improvement (p-ACR 50) | 30 | 50 | |
↵* Scores could range from 0 (best) to 10 (worst) cm on visual analog scale.
↵** Scores could range from 0 (best) to 3 (worst).
↵† The normal ranges are 1 to 24 mm/hour.
↵†† Scores could range from 1 (prepubertal) to 5 (adult). JIA: juvenile idiopathic arthritis; p-ACR 50: American College of Rheumatology Pediatric 50% improvement response.