Sesgo de inmortalidad en estudios observacionales

Abstract

evidence-based and proven efficacy and/or associated with a better adherence to the interventions performed. The immediate reduction observed can only be explained by the immortal time bias. The Hemmelgarn's study was to examine the association between multidisciplinary care clinic and survival. It consisted of a retropective cohort of 187 clinical patients, who were exposed to a multidisciplinary care clinic, that were matched with 187 clinical control