| Characteristics | Group I | Group II |
| Follow-up period (month) | 48.5 (2 - 106) | 52.2 (12 - 106) |
| Complications |
|
|
| CSF rhinorrhea | 1 (9.09%) | 2 (9.5%) |
| keratitis | 1 (9.09%) | 1 (4.7%) |
| meningitis | 0 | 1 (4.7%) |
| shunt complication | 1 (9.09%) | 0 |
| meningocele | 0 | 1 (4.7%) |