|
Demographic characteristics
|
|
Female, n (%)
|
48 (63.2)
|
|
Age at disease onset (yrs), median (IQR)
|
10.3 (8.4–12.1)
|
|
Disease duration at diagnosis (months), median (IQR)
|
6.3 (2.3–16.9)
|
|
Baseline features
|
|
Fever (Temperature ≥ 38 °C), n (%)
|
8 (10.5)
|
|
Pain, n (%)
|
75 (98.7)
|
|
Functional impairment, n (%)
|
33 (43.4)
|
|
VAS, median (IQR)
|
5 (4–6)
|
|
PGA, median (IQR)
|
2.0 (1.5–3.0)
|
|
Extra-osseous involvement, n (%)
|
|
Mucocutaneous (psoriasis, acne, pustolosis)
|
16 (21.1)
|
|
Joints (arthritis, sacroiliitis)
|
9 (11.8)
|
|
Gastrointestinal (IBDs, Irritable Bowel Syndrome)
|
6 (7.9)
|
|
Psychiatric/psychological disorders
|
10 (13.2)
|
|
ESR > 15 mm/h, n (%)
|
40 (52.6)
|
|
CRP ≥0.5 mg/dl, n (%)
|
41 (54.0)
|
|
Number of affected bone units on MRI at T0, median (IQR)
|
6 (3–9)
|
|
RAI-CROMRIS, median (IQR)
|
14 (8–24)
|
|
Vertebral involvement on MRI, n (%)
|
22 (29.0)
|
|
Follow-up at 6 and 12 months
|
|
Number of patients, n (%)
|
46 (60.5)
|
