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.
Boxplot of the joint semi-quantitative and quantitative (VAS echogenicity) ultrasound (US) scales distribution for muscle echogenicity. Box and whiskers plots showing the relationship between the semi-quantitative and the quantitative scores for muscle echogenicity. The upper and lower boundaries of the box represent the third and the first quartiles, respectively. The solid line in the box represents the median. Whiskers represent the maximum and the minimum values.
