Matkovic 2010.

Methods	Participants undergoing coronary artery bypass grafting (CABG) were randomised to two equal groups. The method of randomisation is not described. The method of allocation concealment is not described. The blinding status of study participants, personnel, and outcome assessors is not described.
Participants	60 participants undergoing CABG were randomised to one of two groups: Cell salvage group (CS) No cell salvage group (control) Per group demographic data are not described.
Interventions	Cell salvage group (CS): had intraoperative cell salvage used No cell salvage group (Control): did not have intraoperative cell salvage used
Outcomes	Outcomes reported: allogeneic transfusion requirements, haematological parameters, postoperative drainage, clinical complications, and mortality
Notes	Transfusion protocol: a transfusion protocol is not described. Prospective registration status: the registration status of the study is not clear from the information presented in the abstract. Ethical approval: it is not clear whether approval was provided by an ethics committee or institutional review board. Language: the abstract is published in English. Reason for awaiting classification status: information regarding this study is available from a conference abstract only. Further information is required to assess for full inclusion eligibility.