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 (%)
Akinetic65 (17/26)93 (50/54)81 (17/21)85 (50/59)84 (67/80)
95% CI56 to 7490 to 9672 to 9080 to 9080 to 88
Hypokinetic89 (41/46)47 (15/32)71 (41/58)75 (15/20)72 (56/78)
95% CI84 to 9438 to 5665 to 7765 to 8567 to 77
p Value<0.001<0.001NSNS<0.1