Gallagher 1985.

Methods	Randomised controlled trial. Method of allocation concealment not described. Author contacted ‐ allocation concealment by computerised system ‐ patient details were entered before treatment assignment was revealed.
Participants	Patients after coronary artery bypass graft surgery.
Interventions	1) Treatment group received 5% albumin (n=5). 2) The control group received lactated Ringers (n=5).
Outcomes	Deaths were not reported. Author contacted and confirmed that there were no deaths in either group.
Notes	Follow‐up to 1 day.
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment (selection bias)	Low risk