| Patient | Average duration per day (J) | |
Number | (%) | ||
Artificial ventilation | 9/45 | 20 | 37.1 ± 6.2 |
Urinary catheter | 11/45 | 24.4 | 24.7 ± 7.5 |
Central venous catheterization | 24/45 | 53.3 | 21.3 ± 7.9 |