Fig. 1.
Subject distribution according to body mass index (BMI) of a cross-sectional study (n = 232) and b cross-validation study (n = 70)
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.