Operating characteristics and concordance between standard echocardiography (SE), Doppler tissue imaging (DTI), and thallium-201 tomography (TI) in dysfunctional hypoperfused myocardium
| SE/TI | DTI/TI | DTI and SE/TI | DTI/SE | |
|---|---|---|---|---|
| Sensitivity (%) | 56 | 64 | 81 | 68 |
| Specificity (%) | 88 | 84 | 77 | 65 |
| Positive predictive value (%) | 90 | 89 | 87 | 58 |
| Negative predictive value (%) | 51 | 55 | 67 | 74 |
| Accuracy | 67 | 71 | 80 | 66 |
| κ | 0.38 | 0.45 | 0.57 | 0.34 |
| p Value | < 0.0001 | < 0.0001 | < 0.0001 | < 0.0005 |