Table 1 JIA subtypes and demographics
Total (n = 101) | ERA (n = 41) | |
|---|---|---|
JIA subtypes, n (%) | ||
Enthesitis-related arthritis | 41 (40) | |
Oligoarticular JIA | 17 (17) | |
Polyarticular JIA (rheumatoid factor negative) | 12 (12) | |
Polyarticular JIA (rheumatoid factor positive) | 7 (7) | |
Systemic arthritis | 10 (10) | |
Psoriatic arthritis | 4 (4) | |
Undifferentiated arthritis | 10 (10) | |
Age of diagnosis in years, median (IQR) | 11 (8–15) | 12 (10.3–15) |
Male, n (%) | 60 (59) | 35 (85) |
Chinese, n (%) | 97 (96) | 41 (100) |
Follow-up duration in years, median (IQR) | 7 (2–11.5) | 7 (2.5–13) |