Diagnosis | JIA Total N = 217 | JIA no uveitis N = 203 | JIAU N = 14 | p-value | |
---|---|---|---|---|---|
Median Age months (IQR) | 111 (54–148) | 114.5 (59–152) | 55 (34–86) | †p = 0.008 | |
Age groups (months) N (%) | Â | Odds Ratio 95% CI | |||
 0–84 | 70 (32.3) | 60 (29.6) | 10 (71.4) | †p = 0.01 | 0.46 CI 0.25–0.83 |
 85–144 | 73 (33.6) | 69 (33.9) | 4 (28.6) | p = 0.78 | 0.71 CI 0.22–2.35 |
 145–192 | 60 (27.7) | 60 (29.6) | 0 | †p = 0.01 | 1.0 CI 0.6–1.7 |
Female N (%) | 135 (62.2) | 127 (62.5) | 8 (57.1) | p = 0.68 | 0.78 CI 0.26–2.34 |
Ancestry N (%) | |||||
 Mixed | 124 (57.1) | 114 (56.2) | 10 (71.4) | p = 0.40 | 0.72 CI 0.39–1.3 |
 Black African | 37 (17.1) | 35 (17.2) | 2 (14.3) | p = 1.00 | 1.25 CI 0.27–5.8 |
 Caucasian | 56 (25.8) | 54 (26.6) | 2 (14.3) | p = 0.53 | 0.46 CI 0.10–2.1 |
JIA subtype N (%) | |||||
 Oligo-articular | 83 (38.3) | 73 (35.9) | 10 (71.5) | †p = 0.01 | 4.45 CI 1.35–14.7 |
 Poly articular RF + | 18 (8.3) | 18 (8.8) | 0 | p = 0.61 | 0.08 CI 0.04–0.13 |
 Poly articular RF – | 43 (19.8) | 40 (19.7) | 3 | p = 1.00 | 1.05 CI 0.54–2.04 |
 Psoriatic | 16 (7.4) | 15 (7.4) | 1 | p = 1.00 | 0.99 CI 0.59–1.66 |
 Systemic Onset JIA | 17 (7.8) | 17 (8.4) | 0 | p = 0.61 | – |
 Enthesitis Related Arthritis | 38 (17.5) | 38 (18.7) | 0 | p = 0.14 | – |
 Undifferentiated | 2 (0.9) | 2 (1) | 0 | p = 1.00 | – |
Lab Parameters N (%) | |||||
 ANA tested | 147 (67.7) | 136 (67) | 11 (78.6) | †p < 0.001 | 33.29 CI 6.83–162.09 |
 Hep2 Positive | 15 | 10 | 5 |  | |
 Elisa Positive | 15 | 9 | 6 |  | |
 RF tested | 125 (57.6) | 116 (57.1) | 9 (64.3) | p = 0.36 | – |
 Negative | 107 | 98 | 9 |  |  |
 Positive | 18 | 18 | 0 |  |  |
HLA B27 tested Present | 63 (29) 4 | 62 (30.5) 4 | 1 (7.1) 0 | p = 1.00 | – |