COVID-19 case fatality ratio and survival among hospitalized adults in Goiás, 2020: a cohort study

Abstract Objective To describe clinical-epidemiological and therapeutic aspects and to estimate case fatality ratio and risk factors for lower in-hospital survival due to COVID-19. Methods This is a retrospective cohort study conducted in the state of Goiás, Brazil, in 2020, with data obtained f...

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Main Authors: Moara Alves Santa Bárbara Borges, Ana Laura de Sene Amâncio Zara, Lísia Gomes Martins de Moura Tomich, Adriana Oliveira Guilarde, Cacilda Pedrosa de Oliveira, Deborah Lopes Mota Carvajal, Marina Mascarenhas Roriz Pedrosa, Paulo Sérgio Sucasas da Costa, Marília Dalva Turchi
Format: Article
Language:English
Published: Ministério da Saúde do Brasil 2025-05-01
Series:Epidemiologia e Serviços de Saúde
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Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2237-96222025000100234&lng=en&tlng=en
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author Moara Alves Santa Bárbara Borges
Ana Laura de Sene Amâncio Zara
Lísia Gomes Martins de Moura Tomich
Adriana Oliveira Guilarde
Cacilda Pedrosa de Oliveira
Deborah Lopes Mota Carvajal
Marina Mascarenhas Roriz Pedrosa
Paulo Sérgio Sucasas da Costa
Marília Dalva Turchi
author_facet Moara Alves Santa Bárbara Borges
Ana Laura de Sene Amâncio Zara
Lísia Gomes Martins de Moura Tomich
Adriana Oliveira Guilarde
Cacilda Pedrosa de Oliveira
Deborah Lopes Mota Carvajal
Marina Mascarenhas Roriz Pedrosa
Paulo Sérgio Sucasas da Costa
Marília Dalva Turchi
author_sort Moara Alves Santa Bárbara Borges
collection DOAJ
description Abstract Objective To describe clinical-epidemiological and therapeutic aspects and to estimate case fatality ratio and risk factors for lower in-hospital survival due to COVID-19. Methods This is a retrospective cohort study conducted in the state of Goiás, Brazil, in 2020, with data obtained from the Influenza Epidemiological Surveillance Information System and through a review of clinical records and hospital. Relative risk for in-hospital death was estimated and Poisson multiple regression and Cox regression analyses were performed. Survival functions were compared using the log-rank test and represented by Kaplan-Meier curves. Results The sample consisted of 651 adults, whose median age was 59 years, 57.0% were admitted to public hospitals, 61.1% had severe acute respiratory syndrome on admission and 72.0% had at least one comorbidity, the most frequent being hypertension , diabetes and obesity. The overall case fatality ratio was 17.5% (95% confidence interval, 95%CI 14.7; 20.6), with no significant difference between public and private hospitals. The case fatality ratio was higher in the ≥60 years age group (prevalence ratio, PR 1.26; 95%CI 1.01; 1.58), in hypertensive patients (PR 1.41; 95%CI 1.14; 1 .74) and in those undergoing intensive care (PR 2.68; 95%CI 1.13; 6.32) and mechanical ventilation (PR 11.15; 95%CI 5.53; 22.46). The median time between hospital admission and death was 10 days (interquartile range, 6-18). Survival was lower in the ≥60 years age group (adjusted hazard ratio, HR 1.93; 95%CI 1.26; 2.95) and in those undergoing mechanical ventilation (HR 10.13; 95%CI 6.03; 17. 02). Conclusion Factors related to comorbidities and severity were independent predictors of shorter in-hospital survival among patients with COVID-19.
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spelling doaj-art-85ead4e63f664dd39dee0b4c0b33e38d2025-08-20T02:29:15ZengMinistério da Saúde do BrasilEpidemiologia e Serviços de Saúde2237-96222025-05-013410.1590/s2237-96222025v34e20240053.enCOVID-19 case fatality ratio and survival among hospitalized adults in Goiás, 2020: a cohort studyMoara Alves Santa Bárbara Borgeshttps://orcid.org/0000-0003-2461-2063Ana Laura de Sene Amâncio Zarahttps://orcid.org/0000-0001-7012-9078Lísia Gomes Martins de Moura Tomichhttps://orcid.org/0000-0003-0366-7487Adriana Oliveira Guilardehttps://orcid.org/0000-0012-5032-8085Cacilda Pedrosa de Oliveirahttps://orcid.org/0000-0002-7191-0322Deborah Lopes Mota Carvajalhttps://orcid.org/0000-0001-8862-9214Marina Mascarenhas Roriz Pedrosahttps://orcid.org/0009-0004-7466-8596Paulo Sérgio Sucasas da Costahttps://orcid.org/0000-0001-9370-9139Marília Dalva Turchihttps://orcid.org/0000-0001-5438-1345Abstract Objective To describe clinical-epidemiological and therapeutic aspects and to estimate case fatality ratio and risk factors for lower in-hospital survival due to COVID-19. Methods This is a retrospective cohort study conducted in the state of Goiás, Brazil, in 2020, with data obtained from the Influenza Epidemiological Surveillance Information System and through a review of clinical records and hospital. Relative risk for in-hospital death was estimated and Poisson multiple regression and Cox regression analyses were performed. Survival functions were compared using the log-rank test and represented by Kaplan-Meier curves. Results The sample consisted of 651 adults, whose median age was 59 years, 57.0% were admitted to public hospitals, 61.1% had severe acute respiratory syndrome on admission and 72.0% had at least one comorbidity, the most frequent being hypertension , diabetes and obesity. The overall case fatality ratio was 17.5% (95% confidence interval, 95%CI 14.7; 20.6), with no significant difference between public and private hospitals. The case fatality ratio was higher in the ≥60 years age group (prevalence ratio, PR 1.26; 95%CI 1.01; 1.58), in hypertensive patients (PR 1.41; 95%CI 1.14; 1 .74) and in those undergoing intensive care (PR 2.68; 95%CI 1.13; 6.32) and mechanical ventilation (PR 11.15; 95%CI 5.53; 22.46). The median time between hospital admission and death was 10 days (interquartile range, 6-18). Survival was lower in the ≥60 years age group (adjusted hazard ratio, HR 1.93; 95%CI 1.26; 2.95) and in those undergoing mechanical ventilation (HR 10.13; 95%CI 6.03; 17. 02). Conclusion Factors related to comorbidities and severity were independent predictors of shorter in-hospital survival among patients with COVID-19.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2237-96222025000100234&lng=en&tlng=enCovid-19HospitalizationMortalityCohort StudyBrazil
spellingShingle Moara Alves Santa Bárbara Borges
Ana Laura de Sene Amâncio Zara
Lísia Gomes Martins de Moura Tomich
Adriana Oliveira Guilarde
Cacilda Pedrosa de Oliveira
Deborah Lopes Mota Carvajal
Marina Mascarenhas Roriz Pedrosa
Paulo Sérgio Sucasas da Costa
Marília Dalva Turchi
COVID-19 case fatality ratio and survival among hospitalized adults in Goiás, 2020: a cohort study
Epidemiologia e Serviços de Saúde
Covid-19
Hospitalization
Mortality
Cohort Study
Brazil
title COVID-19 case fatality ratio and survival among hospitalized adults in Goiás, 2020: a cohort study
title_full COVID-19 case fatality ratio and survival among hospitalized adults in Goiás, 2020: a cohort study
title_fullStr COVID-19 case fatality ratio and survival among hospitalized adults in Goiás, 2020: a cohort study
title_full_unstemmed COVID-19 case fatality ratio and survival among hospitalized adults in Goiás, 2020: a cohort study
title_short COVID-19 case fatality ratio and survival among hospitalized adults in Goiás, 2020: a cohort study
title_sort covid 19 case fatality ratio and survival among hospitalized adults in goias 2020 a cohort study
topic Covid-19
Hospitalization
Mortality
Cohort Study
Brazil
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2237-96222025000100234&lng=en&tlng=en
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