Table 2.

Correlation between QRSd and study variables in the control group

Variable	Correlation coeff.a	p value
Age, years	0.0920	0.0913
BSA, m2	0.3338	< 0.0001
BMI, kg/m2	0.1895	0.0005
LVDd, mm	0.3582	< 0.0001
LVDs, mm	0.3711	< 0.0001
LVEF, %	0.2816	< 0.0001

Abbreviations are explained in Table 1 footnote

^aSpearman’s r