Fig 1.
Flow diagram of the study selection process.
Table 1.
Patient characteristics of participants in studies included in the meta-analysis.
Table 2.
Quality assessment of included studies in the meta-analysis.
Fig 2.
Forest plot showing the effects of nutritional risk group compared to nutritional normal group on overall complications.
SE, standard error; IV, inverse variance; CI, confidence interval.
Fig 3.
Funnel plots for the overall complications in nutritional risk group compared to nutritional normal group.
SE, standard error; OR, odds ratio.
Fig 4.
Forest plot showing the effects of nutritional risk group compared to nutritional normal group on infective complications.
SE, standard error; IV, inverse variance; CI, confidence interval.
Fig 5.
Forest plot showing the effects of nutritional risk group compared to nutritional normal group on mortality.
SE, standard error; IV, inverse variance; CI, confidence interval.
Fig 6.
Forest plot showing the effects of nutritional risk group compared to nutritional normal group on length of hospital stay.
SE, standard error; IV, inverse variance; CI, confidence interval.