Comparison of the different tests for the diagnosis of coronary artery disease
| Performance | Exercise stress test | Echocardiography | Scintigraphy MIBI-SPECT | ||||
|---|---|---|---|---|---|---|---|
| Dipyridamole | Dobutamine | ||||||
| Sensitivity | |||||||
| Overall | 41/62 (66%) | 54/66 (81%) | 52/66 (78%) | 54/62 (87%) | |||
| One vessel | 18/30 (60%) | 22/32 (68%) | 24/32 (75%) | 24/30 (80%) | |||
| Multivessel | 23/32 (71%) | 32/34 (94%) | 28/34 (82%) | 30/32 (93%) | |||
| Specificity | 24/30 (80%) | 34/36 (90%) | 32/36 (88%) | 21/30 (70%) | |||
| Accuracy | 65/92 (70%) | 88/102 (86%) | 82/102 (82%) | 75/92 (81%) | |||
| Predictive value | |||||||
| Positive | 41/45 (91%) | 54/56 (96%) | 52/56 (92%) | 54/63 (85%) | |||
| Negative | 24/45 (49%) | 34/46 (73%) | 32/46 (69%) | 21/29 (72%) | |||
Patients with left bundle branch block were excluded from the exercise stress test and scintigraphy analysis.