European journal of preventive cardiology
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Observational Study
Age- and sex-related effects on ankle-brachial index in a screened cohort of Japanese: the Okinawa Peripheral Arterial Disease Study (OPADS).
Age-related change of ankle-brachial index (ABI) within the general population, especially <40 years, has not been determined in large population studies. We evaluated the value of the ABI by age- and sex-related differences in a screened cohort. ⋯ The ABI increased with age until 60-69 years, and was lower in women than in men. It is unlikely that a low ABI in younger healthy women always indicate that existence of arterial stenosis.