| Variable (Scores) | |
| Leaflet mobility | |
| 1 | Highly mobile |
| 2 | Reduced mobility |
| 3 | Basal leaflet motion only |
| 4 | Minimal motion |
| Valve thickening | |
| 1 | Near normal (4 - 5 mm) |
| 2 | Thickened tips |
| 3 | Entire leaflet thickened (5 - 8 mm) |
| 4 | Marked leaflet thickening (>8 - 10 mm) |
| Calcification | |
| 1 | Single area of brightness |
| 2 | Scattered areas at leaflet margins |
| 3 | Brightness extends to mid leaflets |
| 4 | Extensive leaflet brightness |
| Subvalvular thickening | |
| 1 | Minimal chordal thickening |
| 2 | Chordal thickening up to 1/3 |
| 3 | Distal third of chordae thickening |
| 4 | Extensive thickening to pap muscle |