title: Cardiac surgical mortality: the tip of the quality assurance iceberg.
authors.affiliation: Birmingham NHS Trust Queen Elizabeth Hospital.
authors.forename: B E
authors.initials: BE
authors.lastname: Keogh
mesh_terms: D016507:Cardiology Service, Hospital / Q000592:standards; D006331:Heart Diseases / Q000401:mortality* / Q000601:surgery*; D006801:Humans; D015233:Models, Statistical; D011785:Quality Assurance, Health Care / Q000592:standards*; D012306:Risk; D013903:Thoracic Surgery / Q000592:standards / Q000706:statistics & numerical data*; D016896:Treatment Outcome