| Complications | Number | Percentage |
| Nosocomial pneumonia acquired under mechanical ventilation | 22 | 27 |
| Obstruction of the intubation tube by a plug | 10 | 12 |
| Accidental extubation | 04 | 05 |
| Pneumothorax | 02 | 02 |
| Atelectasis | 02 | 02 |
| No complications | 41 | 51 |