title: Surgeon level data: understanding the plot.
authors.forename: D C
authors.initials: DC
authors.lastname: Perry
authors.forename: N
authors.initials: N
authors.lastname: Parsons
authors.forename: M L
authors.initials: ML
authors.lastname: Costa
mesh_terms: D013502:General Surgery / Q000592:standards* / Q000706:statistics & numerical data; D006801:Humans; D015233:Models, Statistical
keywords: Data Analysis; Funnel Plots