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Cross sectional time trend
Prevalence of myocardial infarction in the USA has decreased over a 10–15 year period in midlife men but increased in women, with a greater decrease in cardiovascular risk in men compared to women
  1. Vivian N Hayashi,
  2. Sundar Natarajan
  1. Veterans Affairs New York Harbor Healthcare System, New York, USA
  1. Correspondence to Sundar Natarajan
    Veterans Affairs New York Harbor Healthcare System, 423 East 23rd Street, Medical Service, New York, NY 10010, USA; sundar.natarajan{at}

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Coronary heart disease (CHD) is the leading cause of death in the world.1 Towfighi and colleagues evaluate sex-specific trends in the prevalence of myocardial infarction (MI) and its associated risk factors using serial cross sectional data from the US National Health and Nutrition Examination Surveys from two separate periods (1988–1994 and 1999–2004). They conclude that the sex gap in MI prevalence narrowed during recent years as a result of a decreasing rate among men and increasing rate among women. During the same period, the modifiable cardiovascular risk improved in men (smoking rates declined; systolic blood pressure and high-density lipoprotein levels improved) more than it did …

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  • Competing interests None.