Table 4.

Correlations between the measurements and the LV mass-for-height z score

LV, left ventricular; MD, mitochondrial disease; DMD, Duchenne muscular dystrophy; BMIz, body mass index-for-age z score; EF, ejection fraction; RWT, relative wall thickness; E/A ratio, ratio of early to late mitral filling velocity; E/Ea ratio, ratio of early mitral filling velocity to early diastolic mitral annular velocity; SVI, stroke volume index; CI, cardiac index; LBM, lean body mass.

^*Values significantly correlated with the LV mass-for-LBM z score (P<0.05).