首页|Association of a novel electrolyte index, SUSPPUP, based on the measurement of fasting serum and spot urinary sodium and potassium, with prediabetes and diabetes in Chinese population
Association of a novel electrolyte index, SUSPPUP, based on the measurement of fasting serum and spot urinary sodium and potassium, with prediabetes and diabetes in Chinese population
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NSTL
Elsevier
? 2022 Elsevier B.V.Background: SUSPPUP, calculated as serum sodium [Na+] to urinary Na+ divided by (serum potassium [K+]) 2 to urinary K+, is a composite electrolyte index that reflects renal Na+ retention and K+ excretion. It remains unclear whether SUSPPUP and its components including serum or urinary Na+ or K+, are associated with glucose metabolism. This study aimed to address their associations. Methods: We conducted a cross-sectional study enrolling 5,581 Chinese adults (1,269 with prediabetes, 1,044 with diabetes, and 3,268 with normoglycemia). Fasting serum and morning spot urine were used to measure electrolytes that included Na+ and K+. Results: SUSPPUP was higher in prediabetes and diabetes than normoglycemia. The odds of prediabetes and diabetes were increased by 21% and 39% for every 1-standard deviation increment of SUSPPUP after multivariable-adjustment. Multiple linear regression analysis showed that SUSPPUP correlated positively with fasting plasma glucose, 2 h plasma glucose after OGTT, and glycated hemoglobin A1c. Higher spot urinary Na+ was associated with lower odds of prediabetes and diabetes, while spot urinary K+ showed the opposite. Conclusion: Increases in Na+ retention and K+ excretion in the kidney, as reflected by an elevated SUSPPUP, are associated with increased prevalence of prediabetes and diabetes in Chinese community-dwellers.
NSTL
Elsevier
