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 4

The correlation between QRS voltage in some leads for women.

S V3 + R aVL (Cornell)AVL Rx QRS duration (Molloy Cornell)S V4 + S deepest precordium (Peguero)V3S RV4S R

aVL R (Sokolow)0.4800.299−0.049−0.1950.156
I R (Gubnar)0.2580.073−0.025−0.2813−0.040
III R−0.219−0.0510.0590.046−0.180
V1S (Wilson)0.0640.0950.440.035−0.173
V2 S (Mazoleni)0.3190.4400.7890.5890.201
V3 S0.7670.7940.76210.674
V4 S0.7050.7160.6900.6741
V4 R−0.189−0.253−0.012−0.121−0.233
V5 R (Wilson)−0.155−0.0820.1730.0003−0.136
V6 R (Wilson)−0.1080.0230.2110.056−0.0145
S deepest any precordial lead0.4200.4990.8930.5880.290
S V4 + S deepest (Peguero)0.6490.71410.7620.690
S V1 + R V5/V6 (Sokolow)−0.0450.0450.3840.0435−0.1379
S V3 + R aVL (Cornell)10.9060.6490.7670.705
S V2 + R V5/6 (Romhilt)0.11110.2470.5920.3610.072
S V1/2 + R V5/6 (Murphy)0.1210.2330.6040.3160.041
S V1/2 + R V6 (Grant)0.1430.27∗0.6240.3480.08293
R V5/6 (Holt)−0.117−0.0080.22780.038−0.07
S V2 + R V4/5 (Wolff)0.0820.1930.5670.3470.024
AVL R x QRS duration (Molloy Cornell)0.90610.7140.7940.717

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