Predictors of Mortality for Severe COVID-19: A Descriptive Analysis from an Intensive Care Unit of a Tertiary Care Center
Background: This study aimed to investigate mortality risk factors among severe COVID-19 patients admitted to the intensive care unit (ICU) to inform better management strategies and reduce mortality rates. Methods: A descriptive-analytical, cross-sectional, and retrospective study was conducted be...
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| Format: | Article |
| Language: | English |
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Tehran University of Medical Sciences
2025-01-01
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| Series: | Archives of Anesthesia and Critical Care |
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| Online Access: | https://aacc.tums.ac.ir/index.php/aacc/article/view/1108 |
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| author | Parisa Kianpour Mohammad Hossein Hajali Hamidreza Karbalaei-Musa Reza Mourtami Reza Pourfallah Atabak Najafi Mojtaba Mojtahedzadeh Samrand Fattah Ghazi Arezoo Ahmadi Nasibe Ashouri Babak Jahangirifard |
| author_facet | Parisa Kianpour Mohammad Hossein Hajali Hamidreza Karbalaei-Musa Reza Mourtami Reza Pourfallah Atabak Najafi Mojtaba Mojtahedzadeh Samrand Fattah Ghazi Arezoo Ahmadi Nasibe Ashouri Babak Jahangirifard |
| author_sort | Parisa Kianpour |
| collection | DOAJ |
| description |
Background: This study aimed to investigate mortality risk factors among severe COVID-19 patients admitted to the intensive care unit (ICU) to inform better management strategies and reduce mortality rates.
Methods: A descriptive-analytical, cross-sectional, and retrospective study was conducted between March 2022 and April 2023 at the intensive care unit of Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran. The study included patients admitted to the ICU with severe COVID-19. The main variables were demographic factors (age, gender), pre-existing medical conditions (smoking, diabetes, hypertension), disease severity markers (CT-scan scores, inflammatory and coagulation parameters), and mortality outcomes.
Results: The study included 395 eligible patients. The mortality rate was 57.72%, with no significant difference in hospital stay duration between deceased and survived patients. Smoking, diabetes mellitus, and hypertension were significantly associated with higher mortality. Males exhibited a higher mortality rate, although not statistically significant. Patients over 65 years old had significantly higher mortality. Winter showed a significant increase in mortality, likely due to the Omicron subvariant. Higher CT scan scores and elevated inflammatory/coagulation markers correlated with increased mortality risk.
Conclusion: Pre-existing conditions, demographic factors, and disease severity markers are crucial predictors of mortality in severe COVID-19 patients. Tailored interventions targeting these risk factors are essential to improve outcomes.
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| format | Article |
| id | doaj-art-5862111a64f040dbb3970ff6d5fe1e8a |
| institution | Kabale University |
| issn | 2423-5849 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Tehran University of Medical Sciences |
| record_format | Article |
| series | Archives of Anesthesia and Critical Care |
| spelling | doaj-art-5862111a64f040dbb3970ff6d5fe1e8a2025-08-20T03:49:03ZengTehran University of Medical SciencesArchives of Anesthesia and Critical Care2423-58492025-01-0111310.18502/aacc.v11i3.18484Predictors of Mortality for Severe COVID-19: A Descriptive Analysis from an Intensive Care Unit of a Tertiary Care CenterParisa Kianpour0Mohammad Hossein Hajali1Hamidreza Karbalaei-Musa2Reza Mourtami3Reza Pourfallah4Atabak Najafi5Mojtaba Mojtahedzadeh6Samrand Fattah Ghazi7Arezoo Ahmadi8Nasibe Ashouri9Babak Jahangirifard10Anesthesia, Critical Care and Pain Management Research Center, Tehran University of Medical Sciences, Tehran, Iran.Student Research Committee, AJA University of Medical Sciences, Tehran, Iran.Student Research Committee, AJA University of Medical Sciences, Tehran, Iran.Anesthesia, Critical Care and Pain Management Research Center, Tehran University of Medical Sciences, Tehran, Iran. & School of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.Anesthesia, Critical Care and Pain Management Research Center, Tehran University of Medical Sciences, Tehran, Iran.Department of Anesthesia and Intensive Care, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran.Anesthesia, Critical Care and Pain Management Research Center, Tehran University of Medical Sciences, Tehran, Iran.Department of Anesthesiology and Critical Care, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Tehran, Iran.Department of Anesthesia and Intensive Care, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran.Department of Critical Care, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Tehran, Iran.Department of Anesthesia and Intensive Care, School of Medicine, Aja University of Medical Sciences, Tehran, Iran. Background: This study aimed to investigate mortality risk factors among severe COVID-19 patients admitted to the intensive care unit (ICU) to inform better management strategies and reduce mortality rates. Methods: A descriptive-analytical, cross-sectional, and retrospective study was conducted between March 2022 and April 2023 at the intensive care unit of Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran. The study included patients admitted to the ICU with severe COVID-19. The main variables were demographic factors (age, gender), pre-existing medical conditions (smoking, diabetes, hypertension), disease severity markers (CT-scan scores, inflammatory and coagulation parameters), and mortality outcomes. Results: The study included 395 eligible patients. The mortality rate was 57.72%, with no significant difference in hospital stay duration between deceased and survived patients. Smoking, diabetes mellitus, and hypertension were significantly associated with higher mortality. Males exhibited a higher mortality rate, although not statistically significant. Patients over 65 years old had significantly higher mortality. Winter showed a significant increase in mortality, likely due to the Omicron subvariant. Higher CT scan scores and elevated inflammatory/coagulation markers correlated with increased mortality risk. Conclusion: Pre-existing conditions, demographic factors, and disease severity markers are crucial predictors of mortality in severe COVID-19 patients. Tailored interventions targeting these risk factors are essential to improve outcomes. https://aacc.tums.ac.ir/index.php/aacc/article/view/1108COVID-19Critical CareMortalityRisk Factors |
| spellingShingle | Parisa Kianpour Mohammad Hossein Hajali Hamidreza Karbalaei-Musa Reza Mourtami Reza Pourfallah Atabak Najafi Mojtaba Mojtahedzadeh Samrand Fattah Ghazi Arezoo Ahmadi Nasibe Ashouri Babak Jahangirifard Predictors of Mortality for Severe COVID-19: A Descriptive Analysis from an Intensive Care Unit of a Tertiary Care Center Archives of Anesthesia and Critical Care COVID-19 Critical Care Mortality Risk Factors |
| title | Predictors of Mortality for Severe COVID-19: A Descriptive Analysis from an Intensive Care Unit of a Tertiary Care Center |
| title_full | Predictors of Mortality for Severe COVID-19: A Descriptive Analysis from an Intensive Care Unit of a Tertiary Care Center |
| title_fullStr | Predictors of Mortality for Severe COVID-19: A Descriptive Analysis from an Intensive Care Unit of a Tertiary Care Center |
| title_full_unstemmed | Predictors of Mortality for Severe COVID-19: A Descriptive Analysis from an Intensive Care Unit of a Tertiary Care Center |
| title_short | Predictors of Mortality for Severe COVID-19: A Descriptive Analysis from an Intensive Care Unit of a Tertiary Care Center |
| title_sort | predictors of mortality for severe covid 19 a descriptive analysis from an intensive care unit of a tertiary care center |
| topic | COVID-19 Critical Care Mortality Risk Factors |
| url | https://aacc.tums.ac.ir/index.php/aacc/article/view/1108 |
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