24-hour Urinary Electrolyte Excretion in Chronic Kidney Disease

24-hour Urinary Electrolyte Excretion and Renal Prognosis in Chronic Kidney Disease：a Retrospective Cohort Study

Association between excretion pattern and development trajectory of urinary electrolytes (urine sodium, urine potassium, urine chlorine, urine magnesium, urine calcium, urine phosphorus, urine creatinine, urea, uric acid, urine glucose, urine protein, urine retinol) and adverse prognosis in patients with chronic kidney disease

Inclusion Criteria:

• Our study is a retrospective cohort study. The study included patients with adult（Age≥18years）CKD who were hospitalized in the Department of Nephrology, First Medical Center of Chinese PLA General Hospital from January 2014 to July 2022. Patients with CKD who had one or more 24-hour urinary electrolyte excretion tests at intervals of more than three months were included in the subgroup analysis.

Exclusion Criteria:

• Patients with hemodialysis therapy and urine volume less than 500ml were excluded.