Key result
Between 1988 and 2002, the percentage of US adults with hypertension whose blood pressure was controlled increased significantly from 24.6% to 34.3%.
Cross-Sectional (n=31,059)
Absolute Event Rate: 34.3% vs 24.6%
p-value: p=<0.001
Despite increases in hypertension treatment and control between 1988 and 2002 in the US, overall control rates remained low, highlighting a need for improved management strategies.
Persistent low control rates warrant renewed clinical focus; supports further research into barriers and strategies.
The prevalence, awareness, treatment, and control of hypertension in the United States are analyzed using the National Health and Nutrition Examination Survey (NHANES) database covering the period 1988-2002. Mean body mass index was 26.1+/-0.1 kg/m2 in 1988-1991 and 27.9+/-0.2 kg/m2 in 2001-2002 (p < 0.001). In the same period, the prevalence of diabetes mellitus increased from 5.0% to 6.5% (p = 0.03). Diastolic blood pressure was 73.3+/-0.2 mm Hg in 1988-1991 and 71.6+/-0.4 mm Hg in 2001-2002 (p < 0.001). Among the 18-39 years and 60 years and older age groups, the prevalence of hypertension increased significantly since 1988-1991. Multiple regression shows age, body mass index, and being non-Hispanic black were significantly associated with hypertension. In the period 1988-2002, the percentage receiving treatment and the percentage with blood pressure controlled increased significantly. In 2001-2002, significantly more people with hypertension and diabetes reached a blood pressure target of <130/85 mm Hg. Overall, the control rates were low, especially among middle-aged Mexican-American men (8%).
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Cheung et al. (2006) conducted a cross-sectional in Hypertension (n=31,059). Survey period 2001-2002 vs. Survey period 1988-1991 was evaluated on Hypertension control rate among all with hypertension (95% CI 5.8-13.6, p=<0.001). Between 1988 and 2002, the percentage of US adults with hypertension whose blood pressure was controlled increased significantly from 24.6% to 34.3%.
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