An official website of the United States government
Here's how you know
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.
Annual unadjusted rate of incident chronic kidney disease stage 3 by quartiles of cystatin C and presence of microalbuminuria. Conversion factor for units: Cystatin C in mg/L to nmol/L, ×74.9