title: [What is hazard ratio? Concepts in survival analysis].
authors.affiliation: Departamento de Medicina Preventiva y Salud Pública, Universidad de Navarra-Clínica Universitaria, Pamplona, Navarra, España. mamartinez@unav.es
authors.forename: Miguel Angel
authors.initials: MA
authors.lastname: Martínez-González
authors.forename: Alvaro
authors.initials: A
authors.lastname: Alonso
authors.forename: Jesús
authors.initials: J
authors.lastname: López Fidalgo
mesh_terms: D016016:Proportional Hazards Models; D012044:Regression Analysis; D012306:Risk; D018570:Risk Assessment; D016019:Survival Analysis