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Med Sci Monit. 2005 Sep;11(9):CR403-9. Epub 2005 Aug 26.

Prevalence and trends of prehypertension and hypertension in United States: National Health and Nutrition Examination Surveys 1976 to 2000.

Author information

  • 1Zeenat Qureshi Stroke Research Center, Department of Neurology and Neurosciences, University of Medicine and Dentistry of New Jersey, Newark, New Jersey, USA. aiqureshi@hotmail.com

Abstract

BACKGROUND:

The Seventh Report of the Joint National Committee (JNC-7) on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure provided a new classification of blood pressure for adults aged to guide screening and treatment efforts.

MATERIAL/METHODS:

Using the new classification, we examined trends and prevalence of pre-hypertension (120-139/80-89 mm Hg), stage 1 hypertension (140-159/90-99 mm Hg), and stage 2 hypertension (> or = 160/100 mm Hg) in a nationally representative sample of the United States population. We analyzed 4115 adult persons from 1999 and 2000 National Health and Nutrition Examination Survey (NHANES), 20,322 persons from NHANES II (1976-1980) and 30,818 persons from NHANES III (1988-1992).

RESULTS:

In the United States population aged 20 or greater, we found that an estimated 41.9 million men and 27.8 million women have pre-hypertension, 12.8 million men and 12.2 million women have stage 1 hypertension, and 4.1 million men and 6.9 million women have stage 2 hypertension. Age- and sex-adjusted rates of pre-hypertension increased among non-Hispanic White, African American, and Hispanic persons between 1988-1992 and 1999-2000. Age- and sex-adjusted rates of stage 1 hypertension increased among Hispanics between 1988-1992 and 1999-2000. Age- and sex-adjusted rates of stage 2 hypertension decreased among non-Hispanic Whites between 1988-1992 and 1999-2000, but were unchanged for African American and Hispanic persons.

CONCLUSIONS:

With over a 100 million persons with pre-hypertension or hypertension in the United States, a renewed effort directed towards screening, education, and treatment is required, particularly in the Hispanic population.

PMID:
16127357
[PubMed - indexed for MEDLINE]
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