Table 1.
Weighted functional gain scale
| Pre and post-operative HB score | Improvement points attributed |
|---|---|
| 6 to 6 | 0 |
| 5 to 5 | 0 |
| 6 to 5 | 0 |
| 5 to 4 | 1 |
| 6 to 4 | 1 |
| 6 to 3 | 2 |
| 5 to 3 | 2 |
| 6 to 2 | 3 |
| 5 to 2 | 3 |
| 6 to 1 | 4 |
| 5 to 1 | 4 |
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