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.
Bar graph representation of the four principal components predictors of OA (PC1, PC2, PC3 and PC6) and predictors of ACL when compared with OA and control (PC2 and PC3). OA, osteoarthritis; PC, principal component; ACL, anterior cruciate ligament.
