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.
EQ-5D index and EQ-VAS strongly correlated with ODI score with an inverse relationship, and EQ-5D index had a stronger relationship.
a)Spearman correlation coefficients.
EQ-5D, European quality of life-5 dimensions; EQ-VAS, European quality of life-visual analog scale; ODI, Oswestry disability index.
