Table 2 Demographics and subtype of juvenile idiopathic arthritis (JIA) in Taiwan Children between 2000 and 2008
| Â | Total | Onset type of JIA | ||
|---|---|---|---|---|
Oligoarticular | Polyarticular | Unspecified | ||
n =329 | n =33 | n =263 | n =33 | |
n(%) | n(%) | n(%) | n(%) | |
Sex | Â | Â | Â | Â |
 Male | 161(49) | 25(81) | 117(44) | 19(58) |
 Female | 168(51) | 8(19) | 146(56) | 14(42) |
Age (year) | Â | Â | Â | Â |
 <2 | 0(0) | 0(0) | 0(0) | 0(0) |
 2–5 | 20(6) | 2(4) | 15(6) | 3(9) |
 6–12 | 142(43) | 20(54) | 108(41) | 14(42) |
 13–16 | 167(51) | 11(42) | 140(53) | 16(49) |