Table 1.

Right ventricular ejection fraction (RVEF) by disc summation, real-time three-dimensional echocardiography (RT3DE), and two-dimensional (2D) echocardiography

	RVEFDS (%)	RVEF3D (%)	RVEF2D (%)	P-value
Normal	52 ± 4	50 ± 6*	49 ± 7**	NS
Abnormal	32 ± 5	33 ± 7*	37 ± 8†	0.00001
Total	37 ± 11	38 ± 10§	41 ± 10§§	0.028

Patients were divided into Group A (RVEF ≥ 45%) and Group B (RVEF < 45%). Mean and standard deviation of RVEF_DS, RVEF_3D, and RVEF_2D for both the Groups A and B (n = 25).

t-Test, *P = NS for RVEF_3D vs. RVEF_DS.

**P = NS for RVEF_2D vs. RVEF_DS.

^†P = 0.00001 for RVEF_2D vs. RVEF_DS.

^§P = 0.718 for RVEF_3D vs. RVEF_DS.

^§§P = 0.028 for RVEF_2D vs. RVEF_DS.