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.
Rates of brain substructure and whole brain volume changes (A) and retinal layer tissue loss (B) (%/year) in African Americans versus Caucasian Americans with multiple sclerosis. Values displayed in per cent change/year. Triangles represent the coefficient and the bars the confidence intervals. Asterisks indicate significant differences. AA = African American; AMT = average macular thickness; CA = Caucasian American; GM = grey matter; WM = white matter.
