Fig. 5

Blood stream infection. a Pooled risk ratio with 95 % confidence interval (CI) for hospital mortality associated with lower versus higher dose of enteral feeding. The random effects model was used. b Meta-regression for the effect of the difference in calories between the lower and higher caloric intake groups on hospital mortality. c Meta-regression for the effect of the caloric dose in the lower caloric intake group on hospital mortality. d Funnel plot for the corresponding studies