Hiippala 1995.

Methods	Randomised controlled trial. No information given on method of randomisation Blinding not mentioned 3 patients lost to follow‐up (explanation given)
Participants	60 patients undergoing major abdominal or urological surgery. Patients who had used platelet‐inhibiting drugs or had a diagnosed haemostatic defect were excluded
Interventions	1) 3% Dextrose (n = 15) 2) 4% HES (n = 15) 3) 6% HES (n = 15) 4) 5% Albumin (n = 15)
Outcomes	Haemodynamic variables Clotting variables Blood loss
Notes	Follow‐up 3 days postoperatively
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment (selection bias)	Unclear risk	Unclear. No information given on allocation concealment