Table 4.

Correlation between ultrasonic parameters and cardiac function grade and lesion degree of coronary heart disease (n = 106)

Project	E/A	LVDd	LA
Cardiac function classification
r	0.606	0.589	0.577
P value	< 0.001	< 0.001	< 0.001
Degree of lesion
r	0.631	0.597	0.561
P value	< 0.001	< 0.001	< 0.001

E/A: Early-to-late diastolic blood flow velocity ratio; LVDd: Left ventricular end-diastolic volume; LA: Left atrial diameter.