Significance of Chronic Kidney Disease on Morbidity and Mortality in Hospitalized Patients With COVID-19

Patients with comorbid illnesses are at risk for worse outcomes with a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2; COVID-19). Our research examined patients with chronic kidney disease (CKD) to establish whether it remains an independent risk factor for mortality and morbidity in pa...

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Bibliographic Details
Published in:	HCA healthcare journal of medicine (Print) Vol. 4; no. 6; pp. 407 - 413
Main Authors:	Suresh, Varsha, Finer, Alexis, Varshney, Aarushi, Khine, Kay Thi, Mansi, Ishak, Asmar, Abdo
Format:	Journal Article
Language:	English
Published:	United States Emerald Medical Education 2023
Subjects:	Original Research COVID-19 coronavirus infections/mortality SARS-CoV-2 chronic kidney disease risk factors comorbidity critical care chronic renal insufficiency patient discharge hospital mortality
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Summary:	Patients with comorbid illnesses are at risk for worse outcomes with a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2; COVID-19). Our research examined patients with chronic kidney disease (CKD) to establish whether it remains an independent risk factor for mortality and morbidity in patients with COVID-19. We conducted a retrospective cohort study using an electronic patient database in 2020. An observational dataset from 149 hospitals comprising a United States-based health system (HCA Healthcare) was analyzed. Hospitalized patients (N=11 086), aged 18 and above, with a COVID-19 polymerase chain reaction positive result between January 1, 2020, and September 1, 2020, were included in the initial data set.Primary outcomes were in-hospital death or discharge to hospice in patients with COVID-19. Secondary outcomes were individual components of the primary outcome including intensive care unit (ICU) admission, ventilator dependency, development of acute kidney injury (AKI), and in-hospital death. Baseline patient characteristics were recorded, including demographic variables and comorbidities. A total of 11 086 patients were included in the analysis. The study group included patients with CKD (5543 patients). Patients in the control group (5543 patients) were propensity matched for age, race, sex, and ethnicity. The primary outcome of in-hospital death or discharge to hospice was observed in 20.96% of patients with CKD compared to 11.91% of the control group with an odds ratio of 1.58 (confidence interval 1.37-1.80). ICU admission was required for 37.20% of patients in the CKD group and 21.63% of patients in the control group ( < .001). Ventilator dependency was found in 14.41% of patients in the CKD group and 8.59% of patients in the control group ( < .01). Development of AKI was seen in 5.65% of patients in the CKD group and 2.90% of patients in the control group ( < .01). A logistic regression model confirmed an independent association between underlying CKD and in-hospital death or discharge to hospice in patients with COVID-19. Our study confirms an independent association between underlying CKD and poor outcomes among hospitalized patients with COVID-19, including in-hospital death or discharge to hospice.
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ISSN:	2689-0216 2690-3830 2689-0216
DOI:	10.36518/2689-0216.1562