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.
Bias by race and sex subgroups assuming 0, 5 and 10% lower mGFR using plasma clearance of iohexol than urinary clearance of iothalamate. CKD-EPI, Chronic Kidney Disease Epidemiology Consortium; cr, creatinine; cys, cystatin C; cr-cys, creatinine-cystatin C. Units of difference, ml/min/1.73m2
