Table 3.

Inter- and intraobserver variability of left ventricular deformation parameters by ICC analysis.

	Intraobserver			Interobserver
	ICC	95% CI	P	ICC	95% CI	P
GLS	0.959	0.883–0.986	0.000	0.924	0.789–0.974	0.000
GLSendo	0.987	0.946–0.997	0.000	0.983	0.932–9.996	0.000
GLSepi	0.985	0.940–0.996	0.000	0.980	0.919–0.995	0.000
%△GLS	0.892	0.566–0.973	0.001	0.731	−0.085–0.933	0.032
GCS	0.967	0.905–0.989	0.000	0.961	0.887–0.987	0.000
GCSendo	0.988	0.951–0.997	0.000	0.995	0.979–0.999	0000
GCSepi	0.986	0.942–0.996	0.000	0.988	0.950–0.997	0.000
%△GCS	0.936	0.744–0.984	0.000	0.850	0.396–0.963	0.000
GRS	0.977	0.932–0.992	0.000	0.952	0.863–0.984	0.000
GRSendo	0.996	0.986–0.999	0.000	0.993	0.972–0.998	0.000
GRSepi	0.989	0.955–0.997	0.000	0.996	0.985–0.999	0.000
%△GRS	0.926	0.703–0.982	0.000	0.922	0.686–0.981	0.000

ICC, intraclass correlation coefficient, other abbreviations as those in Tables 1,2.