Key result
Increased carotid intimal-medial thickness at one site was positively associated with thickened walls at other sites, with correlation coefficients ranging from 0.25 to 0.49.
Population
Participants in the population-based Atherosclerosis Risk in Communities study
Design
Cross-sectional
Authors
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Correlations among carotid IMT sites support standardized protocols; leaves open optimal site selection for risk stratification in observational data.
Observational
Effect estimate: correlation 0.25 to 0.49
Carotid IMT at one site is only modestly correlated with thickness at other sites, reflecting both the systemic and focal nature of atherosclerosis.
Howard et al. (1994) conducted an observational in Carotid atherosclerosis. Carotid intimal-medial thickness (IMT) at an index site vs. IMT at an inference site was evaluated on Correlation between arterial intimal-medial thickness (IMT) at different sites within the extracranial carotid artery (correlation 0.25 to 0.49). Increased carotid intimal-medial thickness at one site was positively associated with thickened walls at other sites, with correlation coefficients ranging from 0.25 to 0.49.
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