Predictors of Diagnostic Increment Using 3D SPECT/CT Fusion*
| Predictor | OR (95% CI) | P value |
|---|---|---|
| Diameter of vessel with functionally relevant stenosis (mm) | 0.05 (0.01–0.39) | 0.004 |
| Involvement of diagonal branches | 9.44 (1.69–52.73) | 0.01 |
| Calcium score (log, Agatston score) | 1.38 (0.81–2.33) | NS |
| Number of vessels involved | 1.18 (0.57–2.45) | NS |
| Image quality heavily calcified or blurred | 0.88 (0.47–1.67) | NS |
| Mean heart rate at scan (bpm) | 0.99 (0.90–1.10) | NS |
| Perfusion defect extent | 1.01 (0.95–1.08) | NS |
↵* By univariate logistic regression analysis.
NS = not significant.