The impact of frailty on intra-hospital survival in older patients with COVID-19 infection: the importance of early identification. SEMI-COVID National Registry A. López-Sampalo; H. Hernández-Negrín; M.-R. Bernal-López; M. Rubio-Rivas; M.D. Martín-Escalante; P. Wikman-Jogersen; A. García-Reyne; R. Fernández-Madera Martínez; M. Gómez-Antúnez; J.L. Beato-Pérez; J.D. Torres-Peña; J.A. Martín-Oterino; J. Loureiro-Amigo; J. Vicente de la Sota; R. Gil-Sánchez; M. Lorenzo-López Reboiro; B. Bernal-Román; J. Fernández-Sola; F. Amorós-Martínez; N. Vicente-López; R. Valle-Bernard; A. López-Ruiz; J.-M. Ramos-Rincón; R. Gómez-Huelgas;

Which one is a better predictor of prognosis in COVID-19: analytical biomarkers or PaO2/FiO2? M. Rubio-Rivas; J.M. Mora-Luján; A. Montero Sáez; M.D. Martín-Escalante; V. Giner Galvañ; G. Maestro de la Calle; M.L. Taboada Martínez; A. Muiño Míguez; C. Lumbreras-Bermejo; J.-M. Antón-Santos;

Patients with COPD hospitalized due to COVID-19 in Spain: a comparison between the first and second wave M. Gómez-Antúnez; A. Muiño-Míguez; M. Bacete-Cebrián; M. Rubio-Rivas; J.M. Lebrón Ramos; S. de Cossío Tejido; J.J. Peris-García; J.F. López-Caleya; J.M. Casas-Rojo; J. Millán Núñez-Cortés;