TABLE 6-4 - Comparison of the Diagnostic Value of Various Types of Stress Tests

Type of Stress Test	Sensitivity	Specificity	PPV	NPV
Exercise ECG	65-70%	80-84%	91%	41%
Dobutamine echo	78-85%	70-88%	92%	69%
Nuclear imaging	80-90%	70-80%	85%	72%

* The reported values for exercise nuclear imaging include the average of both sestamibi and thallium studies. PPV: positive predictive value; NPV: negative predictive value.