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Is chronic kidney disease, a predictor of in-hospital mortality in Coronavirus Disease 2019 (COVID-19) patients?
Firouzeh Moeinzadeh1, Vahideh Raeisi2, Media Babahajiani3, Mojgan Mortazavi1, Samaneh Pourajam2, Shiva Seirafian1, Mohammad Shirzadi2, Shahram Taheri1, Mehrdad Salahi4, Marjan Mansourian5, Arash Toghyani6, Zahra Zamani1
1 Isfahan Kidney Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
2 Department of Internal Medicine, Medical School, Isfahan University of Medical Sciences, Isfahan, Iran
3 Student Research Committee, Vice Chancellor for Research and Technology, Kurdistan University of Medical Sciences, Sanandaj, Iran
4 Department of Infectious Disease, Medical School, Isfahan University of Medical Sciences, Isfahan, Iran
5 Epidemiology and Biostatics Department, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
6 Medical School, Isfahan University of Medical Sciences, Isfahan, Iran
Correspondence Address:
Dr. Firouzeh Moeinzadeh
Isfahan Kidney Diseases Research Center, Department of Internal Medicine, Isfahan University of Medical Sciences, Isfahan
Iran
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/abr.abr_352_21
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Background: Chronic kidney disease (CKD) is an important comorbidity in Coronavirus Disease 2019 (COVID-19) patients considering its high prevalence. We aimed to figure out the relationship between CKD and COVID-19 mortality in this study.
Materials and Methods: In total, 116 CKD patients (estimated glomerular filtration rate [eGFR] lower than 60 mL/min/1.73 m2) and 147 control subjects confirmed with COVID-19 were studied. Data regarding demographics, sign and symptoms, laboratory findings, and chest computed tomography were collected. Association between CKD and in-hospital mortality were analyzed using logistic regression models adjusted for confounders.
Results: Mortality rate was significantly higher in CKD than non-CKD (30.17 vs 4.76, P < 0.001) COVID-19 patients. Multivariate logistic regression showed that CKD was significantly correlated with in-hospital mortality in the total sample (Odds ratio (OR) = 8.64, confidence interval (CI): 3.67–20.35) and gender subgroups (females: OR = 4.77, CI: 1.38–16.40, males: OR = 13.43, CI: 3.85–46.87) (P < 0.05) of COVID-19 patients in the crude model. Whereas, the correlation did not remain significant in the fully adjusted model in the total sample (OR = 1.70, CI: 0.35–8.19) and gender subgroups (females: OR = 1.07 CI: 0.06–19.82, males: OR = 0.87, CI: 0.07–10.33) (P > 0.05) of COVID-19 patients.
Conclusion: This study suggested an independent association between CKD and in-hospital mortality in COVID-19 patients. Therefore, more intensive surveillance of COVID-19 patients with CKD is to be warranted.
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