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.
Bland-Altman plots showing differences between Elecsys and ADVIA Centaur in TSH (A) and FT4 (B) measurements using 55 specimens of pregnant women. Thick solid lines represent the mean bias (means of paired differences). Dashed lines represent 95% limits of agreement (bias±1.96 SD).
Abbreviations: TSH, thyroid stimulating hormone; FT4, free thyroxine.
