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Prevalence of carotid artery intima-media thickness >90th percentile of intima-media thickness or a plaque or both by the1986 Pathobiological Determinants of Atherosclerosis in Youth (PDAY) risk score and risk score change between 1986 and 2001, adjusted for sex and age. Error bars represent 95% confidence intervals. There was a statistically significant effect of 1986 risk score.
