Characteristics | No Joint Involvement, n = 110 | Arthralgia, n = 16 | p |
---|---|---|---|
Sex (female), n (%) | 48 (43.6) | 8 (50) | 0.632 |
Family history of IBD, n (%) | 24 (22.0) | 4 (25.0) | 0.755 |
Elevated liver enzymes, n (%) | 10 (9.1) | 1 (6.7) | 1.000 |
Positive pANCA, n (%) | 63 (67.0) | 11 (84.6) | 0.336 |
Paris severity (S1), n (%) | 29 (26.9) | 8 (53.3) | 0.067 |
Paris extent, n (%) | |||
E1 | 16 (14.8) | 0 (0.0) | 0.214 |
E2 | 18 (16.7) | 1 (6.7) | |
E3 | 22 (20.4) | 3 (20.0) | |
E4 | 52 (48.1) | 11 (73.3) | |
PUCAI, median (IQR) | 35.0 (25.0–45.0) | 40.0 (25.0–53.7) | 0.355 |
Age at diagnosis (yrs), median (IQR) | 13.7 (10.9–15.5) | 13.9 (11.7–16.5) | 0.339 |
Weight Z score, mean (SD) | −0.30 (± 1.19) | −0.44 (± 1.00) | 0.653 |
Height Z score, mean (SD) | −0.13 (± 0.99) | −0.17 (± 0.94) | 0.877 |
BMI Z score, mean (SD) | −0.22 (± 1.20) | −0.40 (± 1.08) | 0.579 |
Hemoglobin, g/dl, median (IQR) | 12.0 (10.5–13.1) | 12.3 (11.1–13.2) | 0.575 |
Albumin, g/dl, median (IQR) | 4.2 (4.0–4.5) | 3.7 (3.4–4.2) | 0.029 |
CRP, mg/dl, median (IQR) | 0.28 (0.08–0.70) | 0.86 (0.32–1.27) | 0.006 |
ESR, mm/h, median (IQR) | 15.0 (10.0–30.0) | 36.0 (11.0–48.0) | 0.109 |
IBD: inflammatory bowel disease; pANCA: perinuclear antineutrophil cytoplasmic antibodies; PUCAI: Pediatric Ulcerative Colitis Activity Index; IQR: interquartile range; BMI: body mass index; CRP: C-reactive protein; ESR: erythrocyte sedimentation rate.