Scorer 1990.

Methods	Method of randomisation: not stated ‐ allocation concealment B Assessor blinding: not mentioned Intention to treat: not mentioned Lost to follow‐up: 10 withdrawn (3 insufficient data, 7 weight loss less than 2 kg in run‐in) ‐ unclear which arm Timing of the intervention: 12 weeks Length of follow‐up: 12 weeks
Participants	Location: 53 General Practices, UK carried out by Abbott UK Medical Period of study: 130 patients Inclusion criteria: community dwelling women, 65 years or over, undernourished as defined by GP Exclusion criteria: active neoplastic disease, active metabolic disease, history of malabsorption, inflammatory bowel disease, significant cardiovascular disease, receiving diuretics, corticosteroids or anabolic drugs, institutionalised patients Sex: 85 female 45 male Age: 76/77y
Interventions	a: 3 cans /day Ensure per day between meals and home visits b: carbonated water (330ml can) Allocated: ?/? Assessed: 48/46
Outcomes	Main outcomes: none Additional outcomes: Nottingham Health Profile, compliance Measures of nutritional status‐ weight
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear