Table 5.

Intraclass correlation coefficient

	Intraobserver agreement		Interobserver agreement
	ICC	95% CI	ICC	95% CI
TDI
LV Lateral wall
S′	0.987	0.973–0.994	0.855	0.690–0.932
E′	0.996	0.992–0.998	0.924	0.244–0.979
A′	1		0.162
IVS
S′	0.988	0.963–0.995	0.972	0.835–0.991
E′	0.996	0.992–0.998	0.919	0.412–0.976
A′	0.994	0.987–0.997	0.961	0.728–0.988
RV Lateral wall
S′	0.994	0.988–0.997	0.987	0.850–0.996
E′	0.998	0.995–0.999	0.977	0.816–0.993
A′	0.782	0.584–0.895	-0.002
Speckle tracking
GLS	0.941	0.870–0.972	0.892	0.761–0.950
TGPS	0.969	0.935–0.985	0.961	0.917–0.981

ICC intraclass correlation coefficient, CI confidence interval, TDI tissue doppler mage, LV left ventricle, IVS interventricular septum RV right ventricle