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.
PKAN symptoms and functional limitations with increased frequency across the spectrum of PKAN severity (a), Greater frequency in the Highest Severity group (b), or younger age at onset across PKAN severity (c). In panel C, the n values show the actual number of patients reporting age at onset (numerator) and the total number of patients who experienced the problem (denominator) within each severity group. PKAN, pantothenate kinase-associated neurodegeneration
