Figure 2.
The circadian variation using Fourier analysis (cosinor) for IS, HS and SAH (first box) and the two cycles of 12 hours and 24 hour for all strokes (second box).
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.