“…explore this important question. 6 They studied this question by including 967 participants with available 24-hour urinary sodium estimation from 9 different tertiary care hospitals throughout Korea between 2011 and 2016 with CKD stages G1 to G5 from the Korean cohort study for outcome in CKD (KNOW-CKD). The main predictors of the study were urinary sodium and protein excretion.…”