Head to head comparisons of two modalities of perfusion adenosine stress echocardiography with simultaneous SPECT

Table 2 RTP-ASE angio-mode (AM) versus high resolution (HR) with combined perfusion and wall motion analysis.

		All CA (n = 150)	Patient (n = 50)	LAD (n = 50)	LCx (n = 50)	RPD (n = 50)
AM	Accuracy (%)	93	88	88	94	98
AM	PPV (%)	57	71	54	50	100
AM	NPV (%)	99	97	100	100	98
AM	Sensitivity (%)	92	92	100	100	75
AM	Specificity (%)	93	87	86	94	100
AM	Kappa	0.67***	0.72***	0.63***	0.64***	0.85***
HR	Accuracy (%)	96	92	90	96	100
HR	PPV (%)	77	91	67	67	100
HR	NPV (%)	98	92	93	98	100
HR	Sensitivity (%)	77	78	57	67	100
HR	Specificity (%)	98	97	95	98	100
HR	Kappa	0.75***	0.78***	0.56***	0.65***	1.00***

Accuracy, positive (PPV) and negative (NPV) predictive values, sensitivity, specificity and Kappa of RTP-ASE using SPECT as method of reference.
CA, coronary area; LAD, left anterior descending coronary artery; LCx, left circumflex artery; RPD, right posterior descending coronary artery, *** = p < 0.001.

ISSN: 1476-7120