| Group1 | Fibrosis | Degeneration | ||||||||
| - | + | ++ | +++ | ++++ | - | + | ++ | +++ | ++++ | |
| A | 10 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 |
| B | 0 | 0 | 4 | 4 | 3 | 0 | 2 | 4 | 4 | 1 |
| C | 0 | 0 | 9 | 1 | 1 | 0 | 2 | 6 | 3 | 0 |
| D#** | 0 | 4 | 5 | 1 | 0 | 0 | 5 | 5 | 0 | 0 |
| E#** | 0 | 6 | 3 | 1 | 0 | 0 | 6 | 4 | 0 | 0 |
| F | 0 | 2 | 5 | 2 | 1 | 0 | 4 | 4 | 2 | 0 |