Results The median age overall was 17.1(13-21) years. 28.9% (46) of individuals had ERA, of which 69.6% (39) were male. Mean duration of disease since diagnosis was 7.3 years (SD=+/-4.9). Of the other JIA subtypes; 21.4% (34), 17.6% (28) and 11.9% (19) had Extended Oligoarticular Arthritis (EOA), Polyarticular Rheumatoid Factor Positive (JIA RF+) and Polyarticular Rheumatoid Factor Negative (JI...