Enteral may leads to lower mortality compared with parenteral nutrition (low certainty).
Enteral nutrition may leads to lower all‐cause mortality compared with no intervention (low certainty).
It is very uncertain whether fibre‐enriched enteral nutrition changes all‐cause mortality compared with control (very low certainty).
Immunonutrition may leads to lower all‐cause mortality compared with control (low certainty).
It is very uncertain whether probiotics changes all‐cause mortality compared with control (very low certainty).
It is very uncertain whether more frequent (less than eight hours) changes mortality (at the end of compared with less frequent (eight hours or greater) monitoring of gastric… (very low certainty).
The review found no eligible studies for this question.
It is very uncertain whether no monitoring changes mortality (at the end of compared with frequent monitoring (12 hours or less) of gastric residual volume (very low certainty).
It is very uncertain whether higher threshold (500 mL per six hours or greater) changes mortality (at the end of compared with lower threshold (less than 500 mL per six hours) at time of aspiration (very low certainty).