title: Understanding statistical tests in the medical literature: which test should I use?
authors.affiliation: Department of Emergency Medicine, Mayo Clinic College of Medicine, Rochester, MN 55905, USA. bellolioavaria.mariafernanda@mayo.edu
authors.forename: M Fernanda
authors.initials: MF
authors.lastname: Bellolio
authors.forename: Luis A
authors.initials: LA
authors.lastname: Serrano
authors.forename: Latha G
authors.initials: LG
authors.lastname: Stead