Table 3.

Correlation analysis between speckle tracking echocardiography‐derived variables and some selected conventional echocardiographic parameters in the 150 dogs used in this study

Variable	LAAmax/AoArea		LAAmin/AoArea		FAC		PALS		PACS		CSI
	r	P	r	P	r	P	r	P	r	P	r	P
Heart rate (bpm)	.268	<.001	.300	<.001	−.129	.116	−.183	.025	−.113	.170	−.025	.757
LA/Ao	.750	<.001	.756	<.001	−.538	<.001	−.609	<.001	−.539	<.001	−.303	.002
LVIDd/Ao	.697	<.001	.693	<.001	−.473	<.001	−.540	<.001	−.521	<.001	−.332	<.001
LVIDs/Ao	.452	<.001	.458	<.001	−.356	<.001	−.315	<.001	−.309	.001	−.187	.022
MV E vel (cm/s)	.644	<.001	.669	<.001	−.515	<.001	−.593	<.001	−.586	<.001	−.385	<.001
MV A vel (cm/s)	.405	<.001	.384	<.001	−.200	.014	−.279	.001	−.206	.012	−.028	.731
E/A	.312	<.001	.362	<.001	−.400	<.001	−.398	<.001	−.460	<.001	−.385	<.001

LAAmax/AoArea, left atrial maximal area‐to‐aortic area ratio; LAAmin/AoArea, left atrial minimal area‐to‐aortic area ratio; FAC, left atrial fractional area change; PALS, peak atrial longitudinal strain; PACS, peak atrial contraction strain; CSI, contraction strain index; LA/Ao, left atrium‐to‐aorta ratio; LVIDd/Ao, left ventricular internal diameter in diastole‐to‐aorta ratio; LVIDs/Ao, left ventricular internal diameter in systole‐to‐aorta ratio; MV E vel, mitral valve E wave peak velocity; MV A vel, mitral valve A wave peak velocity; E/A, mitral valve peak E and A wave velocity ratio.

In bold values with significant correlation (P < .001, r > .3).