Table 1 Demographic characteristics of patients by BMI category
From: Obesity and disease activity in juvenile idiopathic arthritis
| Â | Obesity (n = 28) | Overweight (n = 19) | Healthy weight (n = 107) | P value |
|---|---|---|---|---|
Age (median, IQRa) | 9, 6 - 13 | 10, 6 - 13 | 11, 7 - 15 | 0.23 |
Females % (N) | 54 (15) | 58 (11) | 64 (68) | 0.60 |
Ethnicity % (N) | Â | Â | Â | 0.42 |
   Caucasian | 93 (26) | 84 (16) | 87 (93) |  |
   African American | 0 | 0 | 4 (4) |  |
   Hispanic | 7 (2) | 16 (3) | 5 (6) |  |
   Asian | 0 | 0 | 4 (4) |  |
JIA subtype % (N) | Â | Â | Â | 0.27 |
   Oligoarticular | 36 (10) | 53 (10) | 47 (51) |  |
   Rheumatoid factor-negative polyarticular | 21 (6) | 10 (2) | 23 (25) |  |
   Rheumatoid factor-positive polyarticular | 0 | 0 | 4 (4) |  |
   Systemic-onset | 4 (1) | 5 (1) | 2 (2) |  |
   Enthesitis-related arthritis | 18 (5) | 26 (5) | 18 (19) |  |
   Psoriatic arthritis | 21 (6) | 5 (1) | 6 (6) |  |
Time since JIA onset in months (median, IQRa) | 28, 7 - 66 | 34, 4 - 61 | 25, 5 - 68 | 0.90 |
Medications % (N) | Â | Â | Â | Â |
   Non-steroidal anti-inflammatory drugs | 50 (14) | 58 (11) | 49 (52) | 0.75 |
   Methotrexate | 21 (6) | 10 (2) | 19 (20) | 0.62 |
   Biologics | 14 (4) | 16 (3) | 17 (18) | 0.95 |
   Intra-articular steroids | 4 (1) | 0 | 5 (5) | 0.62 |
   None | 36 (10) | 37 (7) | 31 (33) | 0.81 |
Time on medications in months (mean ± SD) |  |  |  |  |
   Non-steroidal anti-inflammatory drugs | 13 ± 34 | 6 ± 9 | 10 ± 22 | 0.88 |
   Methotrexate | 13 ± 42 | 2 ± 6 | 5 ± 15 | 0.62 |
   Biologics | 4 ± 10 | 4 ± 12 | 3 ± 9 | 0.98 |