title: The ubiquitous weekend effect: moving past proving it exists to clarifying what causes it.
authors.affiliation: Warwick Centre for Applied Health Research & Delivery, Division of Health Sciences, University of Warwick, Coventry, UK.
authors.forename: Richard J
authors.initials: RJ
authors.lastname: Lilford
authors.affiliation: Warwick Centre for Applied Health Research & Delivery, Division of Health Sciences, University of Warwick, Coventry, UK.
authors.forename: Yen-Fu
authors.initials: YF
authors.lastname: Chen
mesh_terms: D001315:Australia / Q000453:epidemiology; D015984:Causality; D016208:Databases, Factual; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data; D004739:England / Q000453:epidemiology; D017052:Hospital Mortality / Q000639:trends*; D006760:Hospitalization / Q000706:statistics & numerical data / Q000639:trends*; D006801:Humans; D009426:Netherlands / Q000453:epidemiology; D012107:Research Design; D014481:United States / Q000453:epidemiology
keywords: Healthcare quality improvement; Quality improvement; Quality measurement