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Table 1 Demographic and anthropometric parameters of the study participants

From: Body composition and phase angle as an indicator of nutritional status in children with juvenile idiopathic arthritis

Parameter

Juvenile Idiopathic Arthritis (JIA)

(n = 46) (mean ± SD)

Control for JIA

(n = 46) (mean ± SD)

P value

Age (years)

12.74 ± 3.85

12.70 ± 3.80

0.956

 Girls

12.85 ± 3.96

12.79 ± 3.90

0.951

 Boys

12.42 ± 3.66

12.42 ± 3.66

1.000

Body weight (kg)

45.39 ± 18.12

46.90 ± 15.26

0.665

 Girls

44.84 ± 18.58

45.12 ± 13.08

0.811

 Boys

46.93 ± 17.45

51.97 ± 20.05

0.519

Height (cm)

149.33 ± 21.61

153.82 ± 19.07

0.341

 Girls

148.03 ± 21.80

153.06 ± 19.02

0.425

 Boys

153.00 ± 21.54

155.96 ± 19.91

0.931

BMI (kg/m2)

19.42 ± 4.06

19.24 ± 3.06

0.827

 Girls

19.40 ± 4.23

18.77 ± 2.65

0.463

 Boys

19.47 ± 3.69

20.60 ± 3.80

0.466

Classification systems (ILAR JIA):

 Systemic arthritis

1

n/a

n/a

 Oligoarthritis

18

n/a

n/a

 Polyarthritis

22

n/a

n/a

 Psoriatic arthritis

2

n/a

n/a

 Enthesitis-related arthritis

3

n/a

n/a

 Undifferentiated arthritis

0

n/a

n/a

Duration of the disease:

 New diagnosis

6

n/a

n/a

 More than 6 months

40

n/a

n/a

  1. SD Standard deviation, BMI Body mass index, z-score Standard score, ILAR JIA The International League of Associations for Rheumatology classification of juvenile idiopathic arthritis [1]; n/a Not applicable