Improved scoring system for the electrocardiographic diagnosis of left ventricular hypertrophy

Table 2 Multivariate logistic regression analysis for left ventricular hypertrophy

Characteristic	Wald Chi-Square	P value
Q-wave amplitude in V3	19.3	P < 0.0001
R-wave amplitude in V6	39.7	P < 0.0001
S-wave amplitude in V3	135	P < 0.0001
QRS Duration	115.4	P < 0.0001
Discordant R-axis and T-axis (difference ≤ 75 or > 75)	14.6	P = 0.0001
Maximum (positive deflection) T-wave amplitude in V6	38.5	P < 0.0001
Maximum P'-wave amplitude in V1	18.5	P < 0.0001
P-wave peak amplitude in V6	0.19	P = 0.659
Weight	0.008	P = 0.927
Height	25.2	P < 0.0001
Sex	6.3	P = 0.012
Age	0.03	P = 0.864