Refinement of a modified simplified Pulmonary Embolism Severity Index for elderly patients with acute pulmonary embolism

Objective To evaluate the utility of a modified (i.e., without the variable “Age >80 years”) simplified Pulmonary Embolism Severity Index (sPESI) in elderly patients with acute symptomatic pulmonary embolism (PE), and to derive and validate a refined version of the sPESI for identification of elderly patients at low risk of adverse events. Methods The study included normotensive patients aged >80 years with acute PE enrolled in the RIETE...