Table 4.

Intraclass correlation analysis for 3D RVEF, RV FAC, TAPSE, and RVFWLS

	Intraclass Correlation	95% Confidence Interval		F Test with True Value 0
		Lower Bound	Upper Bound	Value	df1	df2	p-value
(A) RV FAC
Single Measures	0.921	0.722	0.979	22.749	9	9	< 0.001
Average Measures	0.959	0.839	0.990	22.749	9	9	< 0.001
(B) TAPSE
Single Measures	0.840	0.504	0.957	11.469	9	9	< 0.001
Average Measures	0.913	0.670	0.978	11.469	9	9	< 0.001
(C) TAPSE
Single Measures	0.840	0.504	0.957	11.469	9	9	< 0.001
Average Measures	0.913	0.670	0.978	11.469	9	9	< 0.001
(D) RVFWLS
Single Measures	0.957	0.652	0.991	81.444	9	9	< 0.001
Average Measures	0.978	0.789	0.995	81.444	9	9	< 0.001

3D RVEF, three-dimensional right ventricular ejection fraction; RV FAC, right ventricular fraction area change; TAPSE, tricuspid annular plane systolic excursion; RVFWLS, RV free-wall longitudinal strain