Figure 2.
Relation between estimated 24-hour urinary sodium excretion using the Tanaka equations and MS outcomes from months 6 through 60 for sodium intake dichotomized at the median (A, B) and quintile categories (C, D). (A) Median analyses: Conversion to CDMS (P=0.50), (B) Median analyses: conversion to MDMS (P=0.12), (C) Quintile analyses: Conversion to CDMS (P=0.88), (D) Quintile analyses: conversion to MDMS (P=0.10) , (E) relapse rate , (F) change in EDSS. Estimates are adjusted for age, sex, randomization status (IFNB-1b, placebo), CIS onset type (multifocal, monofocal), 25-hydroxyvitamin D status, and body mass index.