RT Journal Article T1 COVID-19 Severity and Survival over Time in Patients with Hematologic Malignancies: A Population-Based Registry Study A1 Martínez López, Joaquín A1 De La Cruz, Javier A1 Gil Manso, Rodrigo A1 Alegre Amor, Adrián A1 Ortiz, Javier A1 Llamas, Pilar A1 Martínez Díez, Yolanda A1 Hernández Rivas, José Ángel A1 González Gascón y Marín, Isabel A1 Benavente Cuesta, Celina A1 Estival Monteliu, Pablo A1 Jiménez Yuste, Víctor A1 Canales Albendea, Miguel Ángel A1 Bastos Oreiro, Mariana Beatriz A1 Kwon Kim, Mi A1 Valenciano, Susana A1 Callejas Charavia, Marta A1 López Jiménez, Javier A1 Herrera Puente, Pilar A1 Duarte, Rafael A1 Núñez Martín Buitrago, Lucía A1 Sánchez Godoy, Pedro A1 Jacome Yerovi, Cristina A1 Martínez Barranco, Pilar A1 García Roa, María A1 Escolano Escobar, Cristian A1 Matilla García, Arturo A1 Rosado Sierra, Belén A1 Aláez Usón, María Concepción A1 Quiroz Cervantes, Keina A1 Martínez Chamorro, Carmen A1 Pérez Oteyza, Jaime A1 Martos Martinez, Rafael A1 Herráez, Regina A1 González Santillana, Clara A1 Del Campo, Juan Francisco A1 Alonso, Arancha A1 Fuente, Adolfo de la A1 Pascual, Adriana A1 Bustelos Rodriguez, Rosalía A1 Sebrango, Ana A1 Ruiz Mediavilla, Elena A1 Marcheco-Pupo, Eriel Alexis A1 Grande, Carlos A1 Cedillo, Ángel A1 Lumbreras Bermejo, Carlos Juan A1 Arroyo Barea, Andrés A1 Casas Rojo, Jose Manuel A1 Calbacho Robles, Maria A1 Díez Martín, José Luis A1 García Suárez, Julio AB Mortality rates for COVID-19 have declined over time in the general population, but data in patients with hematologic malignancies are contradictory. We identified independent prognostic factors for COVID-19 severity and survival in unvaccinated patients with hematologic malignancies, compared mortality rates over time and versus non-cancer inpatients, and investigated post COVID-19 condition. Data were analyzed from 1166 consecutive, eligible patients with hematologic malignancies from the population-based HEMATO-MADRID registry, Spain, with COVID-19 prior to vaccination roll-out, stratified into early (February–June 2020; n = 769 (66%)) and later (July 2020–February 2021; n = 397 (34%)) cohorts. Propensity-score matched non-cancer patients were identified from the SEMI-COVID registry. A lower proportion of patients were hospitalized in the later waves (54.2%) compared to the earlier (88.6%), OR 0.15, 95%CI 0.11–0.20. The proportion of hospitalized patients admitted to the ICU was higher in the later cohort (103/215, 47.9%) compared with the early cohort (170/681, 25.0%, 2.77; 2.01–3.82). The reduced 30-day mortality between early and later cohorts of non-cancer inpatients (29.6% vs. 12.6%, OR 0.34; 0.22–0.53) was not paralleled in inpatients with hematologic malignancies (32.3% vs. 34.8%, OR 1.12; 0.81–1.5). Among evaluable patients, 27.3% had post COVID-19 condition. These findings will help inform evidence-based preventive and therapeutic strategies for patients with hematologic malignancies and COVID-19 diagnosis. PB MDPI SN 2072-6694 YR 2023 FD 2023 LK https://hdl.handle.net/20.500.14352/72298 UL https://hdl.handle.net/20.500.14352/72298 LA eng NO Martínez López, J., De La Cruz, J., Gil Manso, R. et al. «COVID-19 Severity and Survival over Time in Patients with Hematologic Malignancies: A Population-Based Registry Study». Cancers, vol. 15, n.o 5, febrero de 2023, p. 1497. DOI.org (Crossref), https://doi.org/10.3390/cancers15051497. NO Fundación Madrileña de Hematología y Hemoterapia NO Fundación Leucemia y Linfoma NO Asociación Madrileña de Hematología y Hemoterapia DS Docta Complutense RD 1 may 2025