. 2015 Sep;5(3):473–480. doi: 10.1086/682218

Table 3.

R² table demonstrating association between right atrial emptying fraction (RAEF) and clinical, echocardiographic, and hemodynamic parameters

Parameter	tRAEF	pRAEF	aRAEF	RAvol	RVd	TAPSE	6MWD	CO	RAP	PAC
tRAEF	…	0.305^***	0.873^***	0.349^***	0.099	0.206^**	0.037	0.143^*	0.125^*	0.104
pRAEF	0.305^***	…	0.051	0.165^*	0.120^*	0.040	0.007	0.005	0.057	0.163^*
aRAEF	0.873^***	0.051	…	0.254^**	0.046	0.198^**	0.058	0.173^*	0.085	0.038
RAvol	0.349^**	0.165^*	0.254^**	…	0.327^**	0.242^**	0.033	0.030	0.328^***	0.026
RVd	0.099	0.120^*	0.046	0.327^***	…	0.079	0.001	0.001	0.144^*	0.048
TAPSE	0.206^**	0.040	0.198^**	0.242^**	0.079	…	0.166^*	0.249^**	0.125^*	0.014

^Note

aRAEF: active RAEF; CO: cardiac output; PAC: pulmonary artery compliance; pRAEF: passive RAEF; RAP: right arterial pressure; RAvol: right atrial volume index; RVd: right ventricular diameter; TAPSE: tricuspid annular plane systolic excursion; tRAEF: total RAEF; 6MWD: 6-minute walk distance.

P < 0.05.

^**

P < 0.01.

^***

P < 0.001.