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.
Kaplan–Meier curves for the incidence of cognitive deficits within the first 6 months after a diagnosis of COVID-19. Comparison is made between patients on phenytoin and those on (A) levetiracetam and (B) valproate. Shaded areas represent 95% confidence intervals.
