Attributes Selected During Support Vector Machine Model Training
| AC | Non-AC | ||||
| Type | Attribute | Stress | Rest | Stress | Rest |
| Intensity | QC for VP failures (6) | ✓ | ✓ | ✓ | ✓ |
| Sum of basal counts normalized to maximum segment (%) | ✓ | ✓ | ✓ | ✓ | |
| Sum of basal counts normalized to background (%) | ✓ | ||||
| Shape | QC for gross LV contour failures (6) | ✓ | ✓ | ✓ | ✓ |
| Normalized perimeter of VP contour (%) | ✓ | ✓ | ✓ | ✓ | |
| VP contour perimeter (mm) | ✓ | ✓ | |||
| Myocardial mass (g) | ✓ | ||||
| Data from gated scan | Distance to VP on gated image (mm) | ✓ | ✓ | ✓ | ✓ |
| Difference in myocardial mass (g) between ungated and gated images | ✓ | ✓ | ✓ | ✓ | |
QC = quality control.