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Table 1 Patient characteristics and outcome measurements of 80 patients with JIA

From: Fatigue in patients with Juvenile Idiopathic Arthritis: relationship to perceived health, physical health, self-efficacy, and participation

Characteristic M N [IQR] / (%)
Age 9.8 [8.7; 11.0]
Female 52 (65)
JIA classification
 -Oligo-JIA, persistent 25 (31)
 -Oligo-JIA, extended 11 (14)
 -Poly-JIA, Rf- 25 (31)
 -Poly-JIA, Rf+ 3 (4)
 -Psoriasis related JIA 4 (5)
 -Enthesitis related JIA 3 (4)
 -S-JIA 9 (11)
Disease duration (yr) 2.95 [1.22; 6.19]
Disease activity (cm) .30 [.00; .90]
On medication 60 (75)
Disability .33 [.11; .75]
Pain (cm) 1.50 [.20; 3.85]
Fatigue 77.8 [68.1; 86.1]
Energy level (cm)
 - Mean morning 5.55 [4.04; 8.14]
 - Mean afternoon 7.21 [5.73; 8.39]
 - Mean evening 5.53 [4.21; 7.57]
 - Mean daily 6.00 [4.92; 7.49]
Number of days low/ very low energy (n = 72)
 - 0 7/25 (10/35)
 - 1-3 9/27 (13/38)
 - 4-6 13/16 (18/22)
 - 7 43/5 (60/7)
Exercise capacity 592 [489; 638]
PAL 1.53 [1.46; 1.60]
Participation PEC
 -Full 53 (66)
 -Partial 22 (28)
 -No 5 (6)
Full school attendance 56 (70)
Sports frequency/week 1 [.25; 3.00]
Self-efficacy
 -Symptom 3.75 [2.50; 6.72]
 -Activity 6.88 [4.38; 9.38]
  1. M Median, IQR Inter Quartile Range, N Number, Rf Rheumatoid factor, yr years, cm centimeters, PAL Physical Activity Level, PEC Physical Education Class