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  • Title: Measurement variability of carotid atherosclerosis: real-time (B-mode) ultrasonography and angiography.
    Author: O'Leary DH, Bryan FA, Goodison MW, Rifkin MD, Gramiak R, Ball M, Bond MG, Dunn RA, Goldberg BB, Toole JF.
    Journal: Stroke; 1987; 18(6):1011-7. PubMed ID: 3317999.
    Abstract:
    To quantify the within- and between-reader agreement of carotid B-mode ultrasonography and angiography interpretation, images from 117 patients examined by both modalities were read multiple times. Angiographic measurements were more reproducible than those of B-mode scans for all parameters except lesion width, but variations for B-mode scan measurements were similar to those for angiographic measurements. Within-reader agreement on the presence of ulceration was substantial for both modalities, whereas between-reader agreement was poor for B-mode scan and only moderate for angiography.
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