. 2021 Dec 21;2021(12):CD002008. doi: 10.1002/14651858.CD002008.pub5

015882.

Methods	RCT.
Participants	Participants with gastrointestinal disease planned for surgery.
Interventions	Preoperative nutrition based on nutritional status plus 50 g of soya protein versus preoperative nutrition only.
Outcomes	Not specified.
Notes	The details of the preoperative nutrition and soya protein supplement need to be evaluated once there is a full‐text publication to determine whether this study meets the inclusion criteria. It could meet the criteria for comparison 3.