Table 5 Frequency of JIA subtypes by Geographical Area. (%)
JIA subtype | Our Study | Omana | Turkeyb | Indiac | Taiwand | Englande | Canadaf | Africa/ Middle Eastg |
|---|---|---|---|---|---|---|---|---|
Oligoarticular | 54.3 | 31.8 | 32.9 | 20.8 | 23.1 | 45.9 | 40.7 | 37.8 |
Poly RF + ve | 2 | 7.5 | 3.8 | 11.9 | 4.6 | 2.3 | 3.7 | 5 |
Poly RF-ve | 23 | 39.2 | 13.5 | 17.4 | 11.8 | 13.4 | 20.2 | 22.4 |
ERA | 7 | 3 | 32.9 | 35.7 | 37.4 | 6.3 | 10.1 | 9.2 |
Psoriatic | 6 | 0.9 | 1.9 | 1.2 | 1.5 | 6.9 | 6.5 | 3.1 |
Systemic | 5 | 17.8 | 13.2 | 8.0 | 19 | 5.3 | 7.3 | 16.9 |
Undifferentiated | 2 | Â | 1.9 | 4.6 | 2.6 | 3.9 | 11.5 | 5.6 |