title: Relationship between salt excretion and blood pressure in various regions of China: Part 2.
abstract: Overnight urine samples were collected on three consecutive days from 2483 persons in 12 regions of China and the mean 9-hour overnight sodium and potassium levels subsequently determined. Analysis of the data by univariate regression, simple correlation, and multiple regression indicated that there was a positive correlation between the mean level of sodium in urine and blood pressure.
mesh_terms: D000328:Adult; D001794:Blood Pressure; D002681:China; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009318:Natriuresis; D011188:Potassium / Q000652:urine*; D012044:Regression Analysis
chemical_list: D011188:Potassium