Table 1 Demographics and clinical characteristics of patients with JIA at baseline
Systemic (n = 12) | Oligoarticular (n = 6) | RF-negative polyarticular (n = 8) | RF-positive polyarticular (n = 6) | Enthesitis-related arthritis (n = 8) | |
|---|---|---|---|---|---|
Age at first visit (years) | 8.71 (3.92, 11.08) | 2.29 (1.75, 4.67) | 7.25 (3.46, 11.96) | 9.63 (4.75, 13.25) | 10.58 (9.38, 14.13) |
Female | 6 (50%) | 4 (66.7%) | 4 (50.0%) | 5 (83.3%) | 0 (0%) |
Duration of disease (months) | 2.00 (1.90, 2.08) | 2.63 (2.30, 2.93) | 5.80 (2.92, 13.18) | 12.17 (2.17, 13.33) | 1.85 (1.65,18.25) |
Number of joints with active arthritis | 5.50 (1.50, 13.00) | 2.00 (1.00, 3.00) | 5.50 (5.00, 7.50) | 9.50 (7.00, 13.00) | 4.00 (2.50, 5.00) |
Percentage of neutrophils (%) | 83.50 (71.50, 87.00) | 51.50 (37.00, 58.00) | 71.50 (58.50, 78.50) | 65.00 (54.00, 72.00) | 66.00 (63.50, 72.00) |
C-reactive protein (mg/L) | 59.00 (41.50, 84.00) | 4.50 (4.00, 19.00) | 24.5 (6.50, 47.50) | 10.00 (7.00, 13.00) | 22.00 (8.50, 31.00) |
Erythrocyte sedimentation rate (mm/hour) | 95.00 (73.00, 119.00) | 20.00 (16.00, 24.00) | 64.50 (58.50, 77.50) | 58.50 (27.00, 82.00) | 54.50 (38.50, 113.00) |
Ferritin (ng/ml) | 1220.45 (402.00, 3322.50) | 43.65 (25.50, 58.10) | 130.50 (65.85, 432.50) | 36.85 (29.00, 53.00) | 104.40 (53.95,199.00) |