The mortality rate of elderly people admitted to the emergency room of a university hospital in Western Paraná, admitted to the Intensive Care Unit (ICU) and undergoing mechanical ventilation. RSD [Internet]. 2025 Feb. 19 [cited 2025 Jun. 28];14(2):e8014248267. Available from: https://ojs34.rsdjournal.org/index.php/rsd/article/view/48267