Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Bland‐Altman analysis for agreement between measured 24‐hour urine sodium and estimations provided by the five equations. (a) Kawasaki's equation, (b) Tanaka's equation, (c) INTERSALT equation, (d) quadratic equation using a single spot urine sample, and (e) the currently developed equation using the average of three spot urine samples.
