Interventions showed no clear difference in all‐cause mortality in ICU compared with placebo or no prophylaxis (low certainty).
It is very uncertain whether erythromycin plus nasogastric tube lavage changes all‐cause mortality compared with no intervention/placebo plus nasogastric tube lavage (very low certainty).
Enteral nutrition may leads to lower all‐cause mortality compared with no intervention (low certainty).
Proton pump inhibitors showed no clear difference in all‐cause mortality in ICU compared with placebo or no prophylaxis (low certainty).
Antacids showed no clear difference in all‐cause mortality in ICU compared with placebo or no prophylaxis (low certainty).
Sucralfate showed no clear difference in all‐cause mortality in ICU compared with placebo or no prophylaxis (low certainty).
H2 receptor antagonists showed no clear difference in all‐cause mortality in ICU compared with proton pump inhibitors (low certainty).
It is very uncertain whether H2 receptor antagonists changes all‐cause mortality in ICU compared with antacids (very low certainty).
H2 receptor antagonists showed no clear difference in all‐cause mortality in ICU compared with sucralfate (low certainty).
Antacids showed no clear difference in all‐cause mortality in ICU compared with sucralfate (low certainty).
H2 receptor antagonists showed no clear difference in all‐cause mortality in ICU compared with placebo or no prophylaxis (low certainty).