Intrarater and interrater reliability of the Clinical Frailty Scale-Es and FRAIL-Es in critically ill patients Susana Arias-Rivera; María Mar Sánchez-Sánchez; Raquel Jareño-Collado; Marta Raurell-Torredà; Lorena Oteiza-López; Sonia López-Cuenca; Israel John Thuissard-Vasallo; Fernando Frutos-Vivar;

Evaluating frailty may complement APACHE II in estimating mortality in elderly patients admitted to the ICU after digestive surgery P. Ruiz de Gopegui Miguelena; M.T. Martínez Lamazares; L.M. Claraco Vega; M. Gurpegui Puente; I. González Almárcegui; P. Gutiérrez Ibañes; A. Carrillo López; C.M. Castiella García; J. Miguelena Hycka;

HLA genetic polymorphisms and prognosis of patients with COVID-19 L. Lorente; M.M. Martín; A. Franco; Y. Barrios; J.J. Cáceres; J. Solé-Violán; A. Perez; J.A. Marcos y Ramos; L. Ramos-Gómez; N. Ojeda; A. Jiménez;