| Variables | AFF patients |
| Numbers | 9 |
| Female/Male | 9/0 |
| Unilateral/Bilateral | 6/3 |
| Right/Left | 8/4 |
| Diaphyseal/Subtrochanteric | 12/0 |
| Complete/Incomplete | 5/7 |
| Surgical treatment | 10 |
| Intramedullary nail/Locking plate | 6/4 |
| Presence of diabetes mellitus | 0 |
| Glucocorticoid usage | 0 |