Research Article
Untreated Isolated Sytolic Hypertension among Middle-Aged and Old Adults in the United States: Trends in the Prevalence by Demographic Factors During 1999–2010
Table 1
Characteristics of participants in NHANES 1999–2010, USA.
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Note: data were age-adjusted (except for age-specific estimates) by direct standardization to the 2000 projected US population. NHANES: National Health and Nutrition Examination Survey; CI: confidence interval. |