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.
Mean age-standardized anion gap by categories of creatinine-based Chronic Kidney Disease Epidemiology Collaboration estimated glomerular filtration rate in 11,957 participants (upper panel) and cystatin C-based estimated glomerular filtration rate in 4,132 participants (lower panel) of NHANES 1999–2004.
