7. Dietary advice plus supplements, if required, compared with no advice and no supplements: outcomes with additional data provided or imputed.

Study ID	Outcomes where the author provided data	Outcomes where data were imputed
Andersson 2017	Weight
Banks 2016	Weight
Beck 2015	Weight, grip strength, energy and protein intake
Bourdel‐Marchasson 2014	Weight
Forli 2001	weight, energy intake
Ganzoni 1994	Weight
Holyday 2012	Re‐admission
Isenring 2004	Weight, energy & protein intake	SD of change in FFM from 2 studies (Kiss 2016; Ovesen 1993)
Kiss 2016	FFM, weight
Persson 2002	Weight, energy, QoL
Rogers 1992		SD of change in weight, TSF, MAMC, handgrip strength from 1 study (Weekes 2009).
Schilp 2013	FFM, weight, grip strength, protein intake, energy intake
Uster 2013	Mortality, grip strength, protein intake, energy intake
Vivanti 2015	Information on methodology

FFM: fat‐free mass; SD: standard deviation; QoL: quality of life. format?