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Clinical characteristics of COVID-19 hospitalized patients associated with mortality:A cohort study in Spain

Infectious Medicine 2022年第2期1卷 81-87页

作者： Manuel Lozano Adina Iftimi Alvaro Briz-Redon Juanjo Peiró Lara Manyes María Otero mayte ballester MDolores de las Marinas Juan Carlos Catalá Joséde Andrés Carolina Romero Preventive Medicine and Public Health Food SciencesToxicology and Forensic Medicine DepartmentUniversitat de ValènciaValenciaSpain Epidemiology and Environmental Health Joint Research Unit FISABIO−Universitat Jaume I−Universitat de ValènciaValenciaSpain Department of Statistics and Operations Research University of ValenciaValenciaSpain Statistics Office City Council of ValenciaValenciaSpain Department of Anesthesia Critical Care and Pain UnitUniversity General HospitalValenciaSpain Division of Allergy and Immunology University General HospitalValenciaSpain Anesthesia Unit-Surgical Specialties Department Valencia University Medical SchoolValenciaSpain Division of Research Methodology European UniversityValenciaSpain

Background:The heterogeneity of patients with COVID-19 may explain the wide variation of mortality rate due to the population characteristics,presence of comorbidities and clinical manifestations.Methods:In this study,we analyzed 5342 patients’recordings and selected a cohort of 177 hospitalized patients with a poor prognosis at an early stage.We assessed during 6 months their symptomatology,coexisting health conditions,clinical measures and health assistance related to mortality.Multiple Cox proportional hazards models were built to identify the associated factors with mortality risk.Results:We observed that cough and kidney failure triplicate the mortality risk and both bilirubin levels and oncologic condition are shown as the most associated with the demise,increasing in four and ten times the risk,respectively.Other clinical characteristics such as fever,diabetes mellitus,breathing frequency,neutrophil-lymphocyte ratio,oxygen saturation,and troponin levels,were also related to mortality risk of in-hospital death.Conclusions:The present study shows that some symptomatology,comorbidities and clinical measures could be the target of prevention tools to improve survival rates.

关键词： COVID-19 SARS-CoV-2 Respiratory insufficiency Mortality Proportional hazard model Pandemics Coronavirus infections Epidemiology

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