Evaluation of cardiac masses by real-time perfusion imaging echocardiography

Table 4 Median and quartile values of quantitative perfusion variables in patients with malignant tumors, benign tumors and thrombi

Variable	Malignant tumors (n = 23)			Benign tumors (n = 22)			Thrombi (n = 28)
Variable	P25	MEDIAN	P75	P25	MEDIAN	P75	P25	MEDIAN	P75	p
A (dB)	1.31	2.78	7.0	1.24	2.58	4.55	0.01	0.08	0.22	*†
Ax β (dB/s⁻¹)	0.99	2.0	5.58	0.45	1.18	3.4	0.01	0.03	0.14	*†

A: Blood volume; A × β: Regional microvascular blood flow.
* = p < 0.001 between tumors and thrombi; † = not significant between malignant tumors and benign tumors.

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