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.
Comparison of HbA1c values between the NGSP and IFCC networks. HbA1c was measured in 10 pooled blood samples by the NGSP (mean value of 7 network laboratories) and IFCC (mean value of 13 network laboratories) networks. ◆ is the regression line, and the solid black line is the y = x line (line of identity).
