“…In-hospital mortality due to PE has decreased in recent years, being higher in patients with greater comorbidity analyzed using the Charlson comorbidity index (CCI). 5 There are not many studies on the impact of CCI in patients with VTE as a tool to predict survival. 5 , 7 , 8 , 9 The increase in comorbidity analyzed using the CCI is capable of predicting greater short- and long-term mortality in patients with acute PE.…”