Table 1 Comparison of characteristics of patients with Juvenile Psoriatic Arthritis (JPsA) in the different groups
From: Juvenile Psoriatic Arthritis (JPsA): juvenile arthritis with psoriasis?
ERA N=16 | Persistent oligoarticular N=44 | Extended oligoarticular N=21 | RF- polyarticular N=34 | Polyarticular course N=55 | Total cohort N=115 | P value | |
|---|---|---|---|---|---|---|---|
Female:male | 1:2.2 | 2.7:1 | 1:1.6 | 1:3.9 | 2.5:1 | 2:1 | 0.006* |
Mean age at diagnosis in years # (median) | 11.6±2.2 (12.1) | 7.7±4.3 (7.4) | 6.6±5 (3.5) | 7.4±4.2 (7.2) | 7.1±4.5 (5.8) | 8±4.4 (8.1) | 0.003** |
Mean Length of follow-up in years # (median) | 4.8±2.3 (4.9) | 5.9±3.8 (4.9) | 7.2±0.9 (6) | 6.6±0.7 (6.5) | 6.8±4.6 (6.1) | 6.2±4.1 (5.3) | 0.3** |
Family history of psoriasis (percentage) | 8 (50) | 26 (59) | 12 (57) | 22 (65) | 34 (62) | 68 (59) | 0.8** |
Number of patients with positive ANA a | 1/14 | 14/40 | 11/19 | 13/29 | 24/49 | 39/103 | 0.07** |
Number of patients with positive HLA-B27 | 6/15 | 3/18 | 0/8 | 1/8 | 1/17 | 10/50 | 0.0001* |
Number of patients with asymptomatic uveitis (acute uveitis) | 0 (5) | 6 (0) | 3 (0) | 4 (0) | 7 (0) | 13 (5) | 0.6* |
Number of patients with dactylitis | 3 | 11 | 11 | 11 | 22 | 36 | 0.09* |