Box plots illustrating the distribution of HA values against METAVIR fibrosis score. Horizontal lines inside each box represent the median, and the lower and upper borders of the box encompass the interquartile range. The vertical lines from the ends of each box encompass the extreme data points.
Resino et al. BMC Infectious Diseases 2010 10:244 doi:10.1186/1471-2334-10-244