| Variables | Effective | Frequency (%) |
| type of surgery |
|
|
| Caldwell-luc | 26 | 59.1 |
| External surgery | 18 | 40.9 |
| Recurrence | ||
| Yes | 8 | 18.2 |
| No | 36 | 81.8 |
| Death | ||
| Yes | 5 | 11.4 |
| No | 39 | 88.6 |