Table 1.

Comparison of perfusion assessment with ECHO-MPS and standard MPS

Study	ECHO-MPS [n, (%)]	MPS NR1 [n, (%)]	MPS NR 2 [n, (%)]	Kappa	P value
Perfusion normal	79 (77)	75 (73)	73 (71)	0.650	< 0.01
Perfusion abnormal	24 (23)	28 (27)	30 (29)	0.650	< 0.01
Number of defects	29	32	36
Defects reversible	N/A	18 (56)	18 (50)
Defects fixed	N/A	6 (19)	4 (11)
Defects mixed	N/A	8 (25)	14 (39)

Abbreviations: MPS, myocardial perfusion scintigraphy; n, number of patients; N/A, non-applicable; NR, nuclear reader