Additional file 3 of Effect of initial calorie intake via enteral nutrition in critical illness: a meta-analysis of randomised controlled trials

Impact of initial low energy intake on length of hospital stay. CI, confidence interval; IV, inverse variance; LE, low energy.初始低能量摄入对住院时长的影响。置信区间（confidence interval, CI）；逆方差（inverse variance, IV）；低能量（low energy, LE）。