• Mario Rivera-Izquierdo, Del Carmen Valero-UbiernaMaríaMPreventive Medicine and Public Health Service, Hospital Universitario Clínico San Cecilio, Granada, Spain., Juan Luis R-delAmo, Miguel Ángel Fernández-García, Silvia Martínez-Diz, Arezu Tahery-Mahmoud, Marta Rodríguez-Camacho, Ana Belén Gámiz-Molina, Nicolás Barba-Gyengo, Pablo Gámez-Baeza, Celia Cabrero-Rodríguez, Pedro Antonio Guirado-Ruiz, Divina Tatiana Martín-Romero, Antonio Jesús Láinez-Ramos-Bossini, María Rosa Sánchez-Pérez, José Mancera-Romero, Miguel García-Martín, Luis Miguel Martín-delosReyes, Virginia Martínez-Ruiz, Pablo Lardelli-Claret, and Eladio Jiménez-Mejías.
• Preventive Medicine and Public Health Service, Hospital Universitario Clínico San Cecilio, Granada, Spain.
• Plos One. 2020 Jan 1; 15 (6): e0235107.

BackgroundTo identify and quantify associations between baseline characteristics on hospital admission and mortality in patients with COVID-19 at a tertiary hospital in Spain.Methods And FindingsThis retrospective case series included 238 patients hospitalized for COVID-19 at Hospital Universitario Clínico San Cecilio (Granada, Spain) who were discharged or who died. Electronic medical records were reviewed to obtain information on sex, age, personal antecedents, clinical features, findings on physical examination, and laboratory results for each patient. Associations between mortality and baseline characteristics were estimated as hazard ratios (HR) calculated with Cox regression models. Series mortality was 25.6%. Among patients with dependence for basic activities of daily living, 78.7% died, and among patients residing in retirement homes, 80.8% died. The variables most clearly associated with a greater hazard of death were age (3% HR increase per 1-year increase in age; 95%CI 1-6), diabetes mellitus (HR 2.42, 95%CI 1.43-4.09), SatO2/FiO2 ratio (43% HR reduction per 1-point increase; 95%CI 23-57), SOFA score (19% HR increase per 1-point increase, 95%CI 5-34) and CURB-65 score (76% HR increase per 1-point increase, 95%CI 23-143).ConclusionsThe patients residing in retirement homes showed great vulnerability. The main baseline factors that were independently associated with mortality in patients hospitalized for COVID-19 were older age, diabetes mellitus, low SatO2/FiO2 ratio, and high SOFA and CURB-65 scores.

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