Validity of the FRAIL-España scale for critically ill patients Susana Arias-Rivera; Fernando Frutos-Vivar; María Nieves Moro-Tejedor; María Mar Sánchez-Sánchez; Emilia Romero-de San Pío; Yeray Gabriel Santana-Padilla; Gemma Via-Clavero; María del Rosario Villar-Redondo; María Jesús Frade-Mera; Mónica Juncos-Gozalo; Elisabet Gallart-Vivé; Marta Raurell-Torredà;

Clinical Frailty Scale and Comorbidity-Polypharmacy Score for prediction of 30-day mortality in a mixed ICU population Sarah Weihe; Lone Musaeus Poulsen; Mathias Maagaard; Anders Fournaise; Søren Kabell Nissen; Camilla Bekker Mortensen; Ole Mathiesen;

Frailty in severe COVID-19 survivors after ICU admission. A prospective and multicenter study in Mexico Oscar Peñuelas; Manuel Lomelí; Laura del Campo-Albendea; Sara I. Toledo; Alfredo Arellano; Uriel Chavarría; Maria Carmen Marín; Karina Rosas; María Alacíen Galván Merlos; Roberto Mercado; Héctor R. García-Lerma; Enrique Monares; Daira González; Juan Pérez; Andrés Esteban-Fernández; Alfonso Muriel; Fernando Frutos-Vivar; Andrés Esteban;