Characteristics | Total, n = 110 | oJIA, n = 57 | pJIA, n = 53 | p | ANA+, n = 71 | ANA−, n = 39 | p |
---|---|---|---|---|---|---|---|
Sex, female1 | 77 (70) | 42 (73.7) | 35 (66) | 0.41 | 49 (69) | 28 (71.8) | 0.83 |
Age at disease onset, yrs2 | 3.6 (1.8–8.5) | 3.0 (1.8–6.1) | 5.0 (1.9–9.6) | 0.13 | 2.5 (1.6–5.1) | 8.0 (3.5–9.9) | < 0.001 |
JIA subtype1 | |||||||
oJIA | 57 (51.8) | 43 (60.6) | 14 (35.9) | 0.017 | |||
pJIA | 53 (48.2) | 28 (39.4) | 25 (64.1) | ||||
No. active joints at onset2 | 3.5 (1.0–7.0) | 1 (1–2) | 7.0 (6.0–11.5) | < 0.001 | 2 (1–6) | 5 (2–10) | 0.01 |