| Feature |
Score |
| Coverage |
>75% fill |
4 |
| 50-75% fill |
3 |
| 25-50% fill |
2 |
| <25% full |
1 |
| No fill |
0 |
| Neocartilagecolor |
Normal |
4 |
| 25% yellow/brown |
3 |
| 50% yellow/brown |
2 |
| 75% yellow/brown |
1 |
| 100%yellow/brown |
0 |
| Defect margins |
Invisible |
4 |
| 25% circumference visible |
3 |
| 50% circumference visible |
2 |
| 75% circumference visible |
1 |
| Entire circumference visible |
0 |
| Surface |
Smooth/level with normal |
4 |
| Smooth but raised |
3 |
| Irregular 25-50% |
2 |
| Irregular 50-75% |
1 |
| Irregular >75% |
0 |
| Average |
(0-4) |
|
