From: Familial autoimmunity in the childhood arthritis and rheumatology research alliance registry
Characteristic | Total | JIA | SLE | JDM | p-value |
---|---|---|---|---|---|
Total number | 5,756 | 4,677 | 639 | 440 | |
Female gender N (%) | 4,218 (73.3) | 3,368 (79.9) | 532 (83.4) | 318 (72.3) | <0.001 |
Age at enrollment (years) | 11.9 ± 4.8 | 11.4 ± 4.8 | 16.0 ± 3.2 | 11.0 ± 4.4 | <0.001 |
Age onset of symptoms (years) | 7.1 ± 4.7 | 6.5 ± 4.5 | 12.3 ± 3.2 | 6.6 ± 3.8 | <0.001 |
Race N (%) | |||||
AA a | 551 (9.6) | 269 (5.8) | 225 (35.2) | 57 (13.0) | <0.001 |
AI b | 95 (1.7) | 73 (1.6) | 12 (1.9) | 10 (2.3) | 0.476 |
Asian | 197 (3.4) | 116 (2.5) | 69 (10.8) | 12 (2.7) | <0.001 |
NH c | 36 (0.6) | 25 (0.5) | 8 (1.3) | 3 (0.7) | 0.096 |
White | 4,912 (85.3) | 4,244 (90.7) | 307 (48.0) | 361 (82.1) | <0.001 |
Other | 222 (3.9) | 146 (3.1) | 51 (8.0) | 25 (5.7) | <0.001 |
Ethnicity (Non-Hispanic) N (%) | 5,059 (87.9) | 4,214 (90.1) | 464 (72.6) | 381 (86.6) | <0.001 |
Overall Well-being Score | 2.3 ± 2.3 | 2.3 ± 2.3 | 2.6 ± 2.5 | 2.1 ± 2.3 | <0.001 |
PGA | 1.6 ± 1.9 | 1.6 ± 1.9 | 2.0 ± 1.9 | 1.6 ± 1.9 | <0.001 |
CHAQ | 0.34 ± 0.51 | 0.35 ± 0.51 | 0.24 ± 0.46 | 0.36 ± 0.63 | <0.001 |
ANA N (% positive)d | 2,802 (56.2) | 2,012 (49.7) | 577 (96.5) | 213 (62.3) | <0.001 |