Study | No of patients | No of recurrences | Percentage recurrence | Length of follow-up (months) |
Robinson7 | 21 | 1 | 4.8 | 24–132 |
Mallen5 | 1 | 0 | 0 | 16 |
Blanco Blanco2 | 17 | 5 | 29.4 | 17–41 |
Cagirici3 | 32 | 0 | 0 | 12–48 |
Ando1 | 11 | 2 | 18.2 | 2–24 |
Martinez-Escobar6 | 27 | 0 | 0 | 12 |
Total | 109 | 8 | 7.3 |