Fig. 5From: Quantitative comparison between carotid plaque hardness and histopathological findings: an observational studyComparison of plaque hardness and semi-quantified calcification. "0" was no calcification, "1" was scattered microcalcification, and "2" was calcification of 1Â mm or more or the presence of microcalcification of 2% or more of the totalBack to article page