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.
Cross-sectional values in controls are represented by a dashed green line). Individual trajectories of values derived from HIV-infected participants are represented by thin color lines, and mean values are illustrated by a thick red line. The coefficient of slope (β) ant its P value was calculated by regressing the %CD4+ T-cells over time.
