Table 4.

Diagnostic accuracy of ECG, thallium imaging, and echocardiographic (echo) EST^*

Definition of positive test	Sensitivity	Specificity
Positive with EST-ECG alone	0.65	0.85
Positive with thallium imaging alone	0.84	0.87
Positive with EST-ECG or with thallium test	0.94	0.74
Positive with EST-ECG and with thallium test	0.55	0.98
Positive with EST-echo alone†	0.85	0.77

^*From Kotler and Diamond.⁷

^†From Fleischmann et al.⁸