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Table 2 Clinical measures for group at baseline, 3- and 6- and 12-months. Values are mean (standard deviation) unless otherwise indicated. P-value indicates the main effect of time from the repeated measures analysis of variance

From: Feasibility and safety of a 6-month exercise program to increase bone and muscle strength in children with juvenile idiopathic arthritis

Clinical measure Baseline 3-months 6-months 12-months p-value
Median active joint counta 0 (0, 0) range 0–1 0 (0,0.5) range 0–7 0 (0, 0) range 0–1 0 (0,0) range 0–2  
Median restricted joint count 0 (0, 0) range 0–3 0 (0,0) range 0–13 0 (0, 0) range 0–3 0 (0,0) range 0–1  
Median active enlhesitis count 1.0 (1.5) 0 (0.0) range 0–3 0 (0.0) range 0–0 0 (0.0.5) range 0–4  
Functional ability (CHAQ, range 0–3) 0.20 (0.42) 0.38 (0.54) 0.46 (0.53) 0.33 (0.48) 0.216
Pain (VAS, range 0–100) 26.0 (26.6) 15.5 (20.8) 25.4 (20.4) 18.0(22.5) 0.334
JAQQ score (range 1–7) 2.6 (1.0) 2.3 (1.2) 2.3 (1.0) 2.4 (1.2) 0.384
PA Score (range 1–5) 2.3 (0.6) 2.6 (0.72) 2.2 (0.5) 2.3 (0.9) 0.469
Fatigue (PedsQL. range 0–100) 57.0 (18.2) 66.0 (18.0) 69.9 (18.9) 67.3 (17.2) 0.034b
Physical self-worth (CYPSPP. range 0–4) 3.3 (0.6) 3.2 (.6) 3.3 (0.7) 3.4 (0.6) 0.966
  1. CHAQ Child Health Assessment Questionnaire, VAS visual analog scale, JAQQ Juvenile Arthritis Quality of Life Questionnaire, PA physical activity score from the Physical Activity Questionnaire for Children (8–14 y) and Adolescents (14–18 y), PedsQL Pediatric Quality of Life Inventory, CYPSPP Child and Youth Physical Self-perception Profile
  2. aMost participants had 0 active joints. At baseline 1 participant had 1 active joint. At 3 months, 1 patient had 7 active joints. At 6 months, one participant had 2 active joints and 1 had 3 active joints. At 12 months, 1 participant had 1 active joint and 1 had 2 active joints. b p < 0.05