Development of objective indicators for quantitative analysis of sodium intake: the sodium to potassium ratio of second-void urine is correlated with 24-hour urinary sodium excretion.

Jung Gon Kim Sang-Woong Han Joo Hark Yi Hyeong Cheon Park Sang Youb Han

Published in: Nutrition research and practice (2019)

Second-void urine is more reliable than first-void urine for estimating 24UNa. Urinary Na/K in the second-void urine on the first day is significantly correlated with 24UNa. Further studies are needed to establish the most reliable index and the optimal time of urine sampling for predicting 24UNa.

Keyphrases

blood pressure