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.
(A–C) Scatter diagram of the BFMI and FFMI for age-based grading (open circle) and weight-based grading (cross). Bivariate normal ellipses (blue and black for age- and weight-based grading, respectively) and centroids (filled circle and cross for age- and weight-based grading, respectively). Ellipses, p = 0.95. BFMI, body fat mass index; FFMI, fat-free mass index.
