title: Erratum to: Is pre-operative haemoglobin A1c level a successful predictor of adverse outcome after cardiac surgery?
authors.affiliation: School of Medicine, University of Manchester, Oxford Rd, Manchester, M13 9PL, UK.
authors.forename: Ai Hooi
authors.initials: AH
authors.lastname: Tee
authors.affiliation: Department of Cardiac Surgery, Manchester Royal Infirmary, Oxford Road, Manchester, M139WL, UK.
authors.forename: R
authors.initials: R
authors.lastname: Hasan
authors.affiliation: Department of Cardiac Surgery, Manchester Royal Infirmary, Oxford Road, Manchester, M139WL, UK.
authors.forename: K E
authors.initials: KE
authors.lastname: Mclaughlin
authors.affiliation: Department of Cardiac Surgery, Manchester Royal Infirmary, Oxford Road, Manchester, M139WL, UK.
authors.forename: D J M
authors.initials: DJ
authors.lastname: Keenan
authors.affiliation: Department of Cardiac Surgery, Manchester Royal Infirmary, Oxford Road, Manchester, M139WL, UK. ivytee25@gmail.com.
authors.forename: S
authors.initials: S
authors.lastname: Datta