Fig. 4From: Usefulness of speckle-tracking echocardiography for early detection in children with Duchenne muscular dystrophy: a meta-analysis and trial sequential analysisThe meta-analysis of WMD in GCS between DMD and control groups. CI, confidence interval; DMD, Duchenne muscular dystrophy; GCS, global circumferential strain; WMD, weighted mean differenceBack to article page