Skip to main content
. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2013 Dec;60(12):2471–2487. doi: 10.1109/TUFFC.2013.2847

Table 5.

Rating system used by the readers. Ordinal values that are used for statistical analysis are given at the bottom of the table.

Rating Category Reader’s Rating Levels
Plaque Detection Plaque Definitely Not Present Plaque Probably Not Present Unclear Plaque Probably Present Plaque Definitely Present -
Collagen Definitely Not Present Probably Not Present Unclear Probably Present Definitely Present -
Calcium
Lipid Pool
IEL Definitely Intact Probably Intact Unclear Probably Disrupted Definitely Present -
Fibrous Cap Not Present Definitely Intact Probably Intact Unclear Probably Disrupted Definitely Disrupted
Ordinal Value 1 2 3 4 5 6