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Table 1 Clinical, laboratory, and radiological characteristics of Juvenile Idiopathic Arthritis children and adolescents

From: Association of hand grip strength with disease activity, disability and quality of life in children and adolescents with Juvenile Idiopathic Arthritis

Characteristics of JIA patients Number (%) or Mean ± SD
Disease subtypes:
 Systemic onset 5 (21.7%)
 Oligo-arthritis 4 (17.4%)
 Poly-articular, positive RF 4 (17.4%)
 Poly-articular, negative RF 5 (21.7%)
 Enthesitis related arthropathy 4 (17.4%)
 Psoriatic arthritis 1 (4.3%)
Disease duration (years) 4.5 ± 2.9
Morning stiffness (minutes) 30 ± 29
Presence of local arthritis (hand and/or wrist) 12 (52.2%)
JADAS-27 total score, median (IQR) 7.6 (2–17)
 Low 6 (26.1%)
 Moderate 1 (4.3%)
 High 16 (69.6%)
JAFS score, total score 6.2 ± 6.5
 Upper body segment 1.1 ± 1.7
 Hands score 2.1 ± 2.5
 Lower limbs 3.1 ± 3
 Total score after excluding both hands 4.1 ± 4.3
PedsQL, total score 64.8 ± 27.2
 Physical health 61.8 ± 28.8
 Psycho-social health 65.8 ± 28.4
Steroids use
 Current Systemic steroids users 15 (65.2%)
 Dose (mg/day), median (IQR) 20 (10–20)
 Cumulative dose, mean ± SD 481 ± 473.8
DMARDs users 20 (87%)
ESR (mm/hr) 34.3 ± 22.2
Radiological findings
 Juxta-articular osteopenia 19 (82.6%)
 Soft tissue swelling 11 (47.8%)
 Narrow joint spaces 7 (30.4%)
 Deformities 6 (26.1%)
 Erosions 5 (21.7%)
  1. JIA juvenile idiopathic arthritis, RF rheumatoid factor; min, minutes, JADAS-27 juvenile arthritis disease activity score, JAFS juvenile arthritis functionality scale, PedsQL pediatric quality of life, ESR Erythrocyte Sedimentation Rate, DMARDs disease modifying anti-rheumatic drugs