Fig. 2.

Hospital mortality. a Pooled risk ratio with 95 % confidence interval (CI) for hospital mortality, association 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 in each trial on hospital mortality. c Meta-regression for the effect of the caloric dose in the lower caloric intake group in each trial on hospital mortality. d Funnel plot for the corresponding studies