Determinants and Regression Equations for the Calculation of Scores of Left Ventricular Tissue Doppler Longitudinal Indexes in a Healthy Italian Pediatric Population

Table 5

Independent predictors of left ventricular longitudinal indexes in the study population, calculated as the average of septal and lateral values.

	coefficient	value
(model , )
Age	0.491	<0.0001
(model , )
Age	0.334	<0.0001
ratio	0.207	<0.0001
Tricuspid	0.108	0.025
(model , )
Heart rate	0.265	<0.0001
ratio	−0.184	0.0007
Tricuspid	0.125	0.010
ratio (model , )
Age	−0.369	<0.0001
Heart rate	0.108	0.077

: peak late diastolic transmitral flow velocity; : peak late diastolic mitral annulus velocity; : peak early diastolic transmitral flow velocity; : peak early diastolic mitral annulus velocity; : peak systolic mitral annulus velocity; tricuspid : peak systolic tricuspid annulus velocity.