Effect of exercise training on heath, quality of life, exercise capacity in juvenile idiopathic arthritis: a meta-analysis of randomized controlled trials

Table 2 The meta-analysis results of the effect of exercise on juvenile idiopathic arthritis

Outcomes	Number of studies	Number of participants		Pooled effect sizes		Heterogeneity
Outcomes	Number of studies	IG	CG	SMD	95%CI	I²	P
CHAQ	4	124	117	-0.32	(-0.83, 0.19)	73.2%	0.011
QoL	3	81	79	0.27	(-0.04, 0.58)	29.4%	0.243
EPM	2	62	61	-0.26	(-0.62, 0.09)	0	0.574
VO₂peak	3	81	79	0.21	(-0.10, 0.52)	17.5%	0.297
6MWT	2	70	65	0.29	(-0.05, 0.62)	0	0.741
HRmax	2	39	33	0.77	(-0.26, 1.80)	77.5%	0.035
Pain	3	89	83	-0.50	(-0.90, -0.10)	50.2%	0.134

Notes 6MWT, six-minute walk test. CI, confidence interval. CG, control group. CG, control group. CHAQ, Childhood Health Assessment Questionnaire. EPM, Pediatric Escola Paulista de Medicina Range of Motion scale. HRmax, max heart rate. IG, intervention group. IG, intervention group. QoL, Quality of Life. RCT, randomized controlled trial. SMD, standard mean difference. VO₂peak, peak oxygen consumption

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