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.
(a) The concentrations of anti-PEG IgG and IgM in (a) females and males, (b) age groups, and (c) races among healthy blood donors who are positive for anti-PEG IgG and IgM. The concentration of anti-PEG IgM for the ≥ 65 age group is not presented because there was only one individual, who had an anti-PEG IgM level of 146 ng/mL. Line and bar represent the mean and standard deviation. Boxes indicate the range of antibody concentrations.
