Zhong 2016.

Methods	RCT and economic evaluation
Participants	Malnourished older hospitalised participants
Interventions	Nutrient‐dense ONS, containing high protein and beta‐hydroxy‐beta‐methylbutyrate versus placebo
Outcomes	Health‐care costs, measured as the product of resource use and per unit cost, quality‐adjusted life‐years (QALYs), life‐years saved and the incremental cost‐effectiveness ratio
Notes	Full data extraction has not yet been undertaken and will be completed at the next update

ADL: activities of daily living; BMI: body mass index; MNA: Mini Nutritional Assessment; MUAC: mid upper‐arm circumference; ONS: oral nutritional supplement; SGA: subjective global assessment