Brown 1988.

Methods	Randomised controlled trial. Patients entered into the study were assigned to one of two treatment groups by a table of random numbers. Method of allocation concealment not described. Author contacted ‐ no allocation concealment.
Participants	All patients who required central TPN and had hypoalbuminaemia (serum albumin concentration below 3.0g/dl). Patients who were thermally injured, had nephrotic syndrome or required protein restriction were excluded.
Interventions	1) The intervention group received central TPN plus normal serum albumin (n=33). 2) The control group (n=34) received central TPN alone.
Outcomes	Deaths reported.
Notes	Follow‐up to discharge.
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment (selection bias)	High risk