Table 1 Characteristics of juvenile idiopathic arthritis (JIA) among children in Oman (N = 107)
JIA subtype | n (%) | Age at onset, years ± SD | F/M ratio | ANA+ (%) | Mean ESR, mm/h |
|---|---|---|---|---|---|
Oligo JIA | 34 (31.8 %) | 5.3 ± 3.8 | 3.3/1 | 32.3 | 31.3 |
Poly RF –ve | 42 (39.2 %) | 8.0 ± 3.5 | 3.2/1 | 21.4 | 43.8 |
Poly RF + ve | 8 (7.5 %) | 8.8 ± 3.1 | 8/1 | 50 | 61.8 |
Systemic | 19 (17.8 %) | 5.0 ± 3.3 | 1/1 | 0 | 80.6 |
ERA | 3 (2.8 %) | 12.0 ± 2.6 | 0/3 | 0 | 62.6 |
Psoriatic | 1 (0.9 %) | 11 | 0/1 | 0 | 60 |
Others | 0 (0 %) | na | na | na | na |