| Preoperative Frankel grade | Early post-operative Frankel grade | ||||
| A | B | C | D | E | |
| A |
|
|
|
|
|
| B |
| 1 | 1 |
|
|
| C |
| 1 | 1 | 1 | 2 |
| D |
|
|
| 1 | 7 |
| E |
|
|
| 2 | 31 |