Characteristic | Active pSLE (n = 30) ± SD | Inactive pSLE (n = 30) ± SD |
Age | 14.7 ± 2.9 | 14.9 ± 2.6 |
Laboratory measures: | ||
 C3 | 77.3 ± 34.1 | 99.9 ± 20.0 |
 C4 | 9.1 ± 7.8 | 16.2 ± 8.1 |
 ESR | 39.1 ± 33.6 | 16.1 ± 14.2 |
 ANA | 29 | 29 |
 Anti-dsDNA pos. | 20 | 15 |
Disease activity and ACR criteria: | ||
 SLEDAI | 10.6 ± 4.8 | 2.4 ± 1.8 |
 SLEDAI = 0 | 1 | 9 |
 Arthritis | 23 |  |
 Oral ulcers | 13 |  |
 Rash |  |  |
 Nephritis | 12 |  |
 Pleuritis/pericarditis | 9 |  |
 CNS symptoms | 1 |  |
 Photosensitivity | 7 |  |
Current treatment: | ||
 None | 10 | 3 |
 Hydroxychloroquine | 16 | 24 |
 Steroid | 16 | 22 |
 Other DMARD | 13 | 19 |
 Biologic only | 1 | 1 |
Characteristic | JIA (n = 32) ± SD | Healthy children (n = 37) ± SD |
Age | 13.9 ± 2.2 | 12.3 ± 4.4 |
JIA subtype: | ||
 Persistent oligoarticular | 7 |  |
 Extended oligoarticular | 6 |  |
 Polyarticular RF− | 17 |  |
 Polyarticular RF+ | 2 |  |
Active disease | 24 | na |
Active joints | 3.3 ± 3.6 | na |
Laboratory measures: | ||
 RF positive | 2 | nd |
 ACPA positive | 2 | nd |
 ESR | 11.2 ± 9.5 | nd |
 CRP | 0.9 ± 0.9 | nd |
Current treatment: | ||
 None or NSAID only | 7 | na |
 Methotrexate only | 8 | na |
 Other DMARD only | 3 | na |
 Biologic only | 6 | na |
 DMARD + biologic | 8 | na |