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Relationship of anemia with COVID-19 deaths: A retrospective cross-sectional study.
Background and Aims: With the second wave of COVID-19, India lost close to three lakh people within the span of a few months. In this study, we aimed to investigate the impact of anemia on the severity of COVID-19 based on the hemoglobin (Hb) concentration of the patients noted at the time of admission to the intensive care unit (ICU), to mark Hb as a prognostic marker of disease severity for the future.
Material and Methods: Retrospective data was collected from 784 patients admitted to the COVID adult ICU between March and June 2021. Patients were identified as anemic and non-anemic based on the World Health Organization (WHO) guidelines. Chi-squared test was applied to see the relationship of anemia with the patient deaths.
Results: Among the 784 patients, 507 succumbed to COVID-19. Of these, 49.3% had varying degrees of anemia. Significant correlation of anemia with death due to COVID-19 was found in males and females (P = 0.002106 and P = 0.033071, respectively) and in patients without any other comorbidities except anemia (P = 0.002020). This suggests that anemia is independently an important parameter that plays a role in severity of COVID-19.
Conclusion: Upon observing a significant correlation between anemia and COVID-19 severity, it can be stated that anemia should be considered as an independent prognostic risk factor for COVID-19 and that hemoglobin can be used for risk stratification in patients under home or hospital care.
Material and Methods: Retrospective data was collected from 784 patients admitted to the COVID adult ICU between March and June 2021. Patients were identified as anemic and non-anemic based on the World Health Organization (WHO) guidelines. Chi-squared test was applied to see the relationship of anemia with the patient deaths.
Results: Among the 784 patients, 507 succumbed to COVID-19. Of these, 49.3% had varying degrees of anemia. Significant correlation of anemia with death due to COVID-19 was found in males and females (P = 0.002106 and P = 0.033071, respectively) and in patients without any other comorbidities except anemia (P = 0.002020). This suggests that anemia is independently an important parameter that plays a role in severity of COVID-19.
Conclusion: Upon observing a significant correlation between anemia and COVID-19 severity, it can be stated that anemia should be considered as an independent prognostic risk factor for COVID-19 and that hemoglobin can be used for risk stratification in patients under home or hospital care.
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