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Table 2 Sociodemographic and clinical characteristics of enrolled patients. Sociodemographic and clinical characteristics of the patients at study enrolment

From: Proposal for a definition for response to treatment, inactive disease and damage for JIA associated uveitis based on the validation of a uveitis related JIA outcome measures from the Multinational Interdisciplinary Working Group for Uveitis in Childhood (MIWGUC)

 Total sample
N = 82
Female sex62 (75.6%)
ANA positive60 (73.1%)
HLA-B27 positive8 (9.8%)
Rheumatoid factor positive7 (8.5%)
Clinical JIA Characteristics (n = 82)
 Oligoarthritis, persistent44 (53.7%)
 Oligoarthritis, extended9 (11.0%)
 RF- Polyarthritis15 (18.3%)
 Psoriatic arthritis1 (1.2%)
 Enthesitis-related arthritis4 (4.9%)
 Undifferentiated JIA4 (4.9%)
 Unknown*5 (6.1%)
 JIA disease duration, years, mean (SD)4.8 (3.8)
 Age at disease onset in years, mean (SD)3.8 (3.2)
 Physician’s global, VAS, mean (SD) (range 0–100)34.0 (28.7)
Patient reported outcomes (n = 51)
 Number of days in hospital due to uveitis in the last 6 months12 (23.5%)
 Missed days in kindergarten/ school due to uveitis in the last 6 months27 (52.9%)
 Number of days with restrictions in daily life due to uveitis in the last 6 months12 (23.5%)
 Patients assessment of overall well-being, VAS, mean (SD) (range 0–100)34.1 (29.7)
 C-HAQ, mean (SD) (range 0–3)0.81 (1.04)
 PedsQL, mean (SD) (range 0–100)78.7 (21.5)
Clinical Uveitis Characteristics (n = 82)
 Uveitis disease duration, years, mean (SD)3.3 (3.0)
 Age at uveitis onset in years, mean (SD)5.1 (2.9)
Number of affected eyes
 unilateral17 (20.7%)
 bilateral65 (79.3%)
 Physician’s global, VAS, mean (SD)44.3 (34.1)
 Number of patients with at least one active eye (AC cell grade > 0)82 (100.0%)
  1. AC anterior chamber, ANA anti-nuclear antibody, CHAQ Childhood Health Assessment Questionnaire, HLA human leukocyte antigen, PedsQL Paediatric Quality of Life Inventory, RF rheumatoid factor, SD standard deviation, VAS visual analogue scale range 0 to 100.* The category unknown includes patients with JIA for which the category was not reported by the paediatric rheumatologist.