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.
Plot of the difference between the results obtained by the two methods against the mean of the results obtained by the two methods of haemoglobin measurement (n = 82). The dashed lines indicate the limits of agreement. [Hb], Haemoglobin concentration.
