The chronis kidney disease patients followed in Nephrology outpatient unit are going to be enrolled in the study and their kidney functions (calculated with the mdrd formula to asses the estimated glomerular filtration rate (eGFR)) will be evaluated 6 months before and after the COVID-19 pandemia. And the rate of initiation of renal replacement therapies and the change in proteinuria will be evaluated 6 months before and after the COVID-19 pandemic.
COVID-19 pandemic affected the admission of patients to the hospital especially the older patients (> 65 years old) because of curfews and the reluctance of patients to apply to the hospitals. Chronic kidney disease is characterized with the progressive loss of kidney function over the time and regular follow-up of patients for their kidney function and treatment of complications is recommended in these patients.