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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