Table 3.

Diagnostic accuracy of dobutamine echocardiography in predicting recovery of resting function for akinetic and hypokinetic segments six months after revascularisation in patients taking β blockers

	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)	Accuracy (%)
Akinetic	65 (17/26)	93 (50/54)	81 (17/21)	85 (50/59)	84 (67/80)
95% CI	56 to 74	90 to 96	72 to 90	80 to 90	80 to 88
Hypokinetic	89 (41/46)	47 (15/32)	71 (41/58)	75 (15/20)	72 (56/78)
95% CI	84 to 94	38 to 56	65 to 77	65 to 85	67 to 77
p Value	<0.001	<0.001	NS	NS	<0.1