title: What is survival analysis, and when should I use it?
authors.affiliation: Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brasil.
authors.forename: Juliana Carvalho
authors.initials: JC
authors.lastname: Ferreira
authors.affiliation: American Thoracic Society, USA.
authors.forename: Cecilia Maria
authors.initials: CM
authors.lastname: Patino
mesh_terms: D005500:Follow-Up Studies; D006801:Humans; D008175:Lung Neoplasms / Q000401:mortality*; D016019:Survival Analysis; D013997:Time Factors