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;

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;

Clinical characteristics and risk factors for mortality upon admission in patients with heart failure hospitalized due to COVID-19 in Spain A. Salinas-Botrán; J. Sanz-Cánovas; J. Pérez-Somarriba; L.M. Pérez-Belmonte; L. Cobos-Palacios; M. Rubio-Rivas; S. de-Cossío-Tejido; J.M. Ramos-Rincón; M. Méndez-Bailón; R. Gómez-Huelgas;