Table 1 Baseline demographic data of the patient cohorts
Characteristics | Without BLAST wristband N = 53 | With BLAST wristband N = 34 |
|---|---|---|
Gender, female | 44 (83%) | 27 (79%) |
Age, mean ± SD | 13,6 ± 3,6 years | 12,8 ± 3, years |
JIA subtype | ||
Oligoarticular, persistent | 10 (19%) | 9 (26%) |
Oligoarticular, extended | 21 (40%) | 10 (29%) |
Polyarticular, rheumatoid-factor negative | 10 (19%) | 7 (21%) |
Polyarticular, rheumatoid-factor positive | 1 (2%) | - |
Psoriatic arthritis | 5 (9%) | 2 (6%) |
Enthesitis-related arthritis | 7 (21%) | 7 (21%) |
Systemic arthritis | 2 (4%) | - |
Undifferentiated arthritis | 3 (6%) | 3 (9%) |
Disease characteristics | ||
ANA positive | 72% | 73% |
HLA-B27 positive | 13% | 19% |