Bias	Author's judgment	Support for judgment
Risk of bias arising from the randomization process	Low risk	No information on allocation concealment, no differences between groups in baseline characteristics
Risk of bias due to deviations from the intended interventions (effect of assignment to intervention)	Some concerns	Nurses seem to be aware of the intervention group since intervention group consisted of additional individualized nutritional care in addition to the standard care in control group. No deviations reported
Risk of bias due to deviations from the intended interventions (effect of adhering to intervention)	Some concerns	Nurses seem to be aware of the intervention group since intervention group consisted of additional individualized nutritional care in addition to the standard care in control group
Missing outcome data	High risk	number of participants from eligibility to analysis not reported.
Risk of bias in measurement of the outcome	Low risk	Method of measuring outcome was appropriate and similar between groups. Outcome assessors might have been aware of the intervention received but their knowledge could not have influenced by their knowledge.
Risk of bias in selection of the reported result	Low risk	All outcomes reported appropriately.