Table 3

Multivariable determinants of ECG voltage in left-sided leads

	R V5				R aVL
	Male		Female		Male		Female
	Beta	P value	Beta	P value	Beta	P value	Beta	P value
CWLV_MEAN	0.27	0.024	0.43	0.024	0.02	0.85	0.20	0.32
LVM	0.33	0.011	0.08	0.76	0.24	0.08	−0.64	0.53
LVEDV	−0.01	0.90	0.15	0.56	−0.07	0.60	0.34	0.73
Afro-American	0.15	0.048	−0.10	0.53	0.04	0.59	1.93	0.06
Weight	−0.62	<0.001	−0.11	0.72	0.15	0.23	−0.72	0.47
Height	0.18	0.030	−0.14	0.61	−0.15	0.08	0.66	0.52
Adjusted R²	0.15		0.10		0.06		−0.03

Bold values indicate a statistically significant beta value.
CWLV_MEAN is the distance from the chest wall to the mid-left ventricle.
LVEDV, left ventricular end-diastolic volume; LVM, left ventricular mass.