Research Article

Estimating Left Ventricular Mass from the Electrocardiogram across the Spectrum of LV Mass from Normal to Increased LV Mass in an Older Age Group

Table 3

The correlation between QRS voltage in some leads for men.

S V3 + R aVLAVL R × QRS durationS V4 + deepest S in precordiumV3SV4S

aVL R (Sokolow)0.5810.5070.0960.0390.204∗
I R (Gubnar)0.4800.3730.1120.0360.014
III R−0.127−0.0520.1750.09−0.091
V1S (Wilson)0.4880.4550.6080.4630.193
V2 S (Mazoleni)0.5680.5710.8290.7840.395
V3 S0.8360.8100.89210.722
V4 S0.7000.7280.7930.7221
V4 R−0.328−0.3568−0.155−0.207−0.41
V5 R (Wilson)−0.063−0.1410.0840.013−0.179
V6 R (Wilson)0.1260.0540.2200.1330.024
S deepest any precordial lead0.6370.6330.8960.7870.439
S V4 + S deepest (Peguero)0.7790.7910.8920.793
S V1 + R V5/V6 (Sokolow)0.2660.2050.4230.2900.061
S V3 + R aVL (Cornell)10.9370.7790.8360.701
S V2 + R V5/6 (Romhilt)0.3810.3430.6300.5490.219
S V1/2 + R V5/6 (Murphy)0.3700.3310.6200.4960.186
S V1/2 + R V6 (Grant)0.4400.4000.6690.5440.243
R V5/6 (Holt)0.037−0.0280.1760.088−0.049
S V2 + R V4/5 (Wolff)0.240.20.5220.4550.084
AVL R × QRS duration (Molloy Cornell)0.93910.7900.8100.728

Correlation coefficient (r) is listed as 1 when the factor is correlated with itself. , , , and .