Long-term and recent progress in blood pressure levels among U.S. adults with diagnosed diabetes, 1988-2008.

Diabetes Care. 2011 Jul;34(7):1579-81. Wang J, Geiss LS, Cheng YJ, Imperatore G, Saydah SH, James C, Gregg EW. National Center for Chronic Disease Prevention and Health Promotion, Division of Diabetes Translation, U.S. Centers for Disease Control and Prevention, Atlanta, Georgia, USA.

OBJECTIVE: To examine whether there were long-term (between 1988-1994 and 2001-2008) and recent (between 2001-2004 and 2005-2008) changes in blood pressure (BP) levels among U.S. adults with diagnosed diabetes.

RESEARCH DESIGN AND METHODS: Using data from National Health and Nutrition Examination Surveys (NHANES), we examined changes in BP distributions, mean BPs, and proportion with BP<140/90 mmHg.

RESULTS: Between 1988-1994 and 2001-2008, for adults with diabetes, mean BPs decreased from 135/72 mmHg to 131/69 mmHg (P<0.01) and the proportion with BP<140/90 mmHg increased from 64 to 69% (P=0.01). Although hypertension prevalence increased, hypertension awareness, treatment, and control improved. However, there was no evidence of improvement for adults 20-44 years old. Between 2001-2004 and 2005-2008, there were no significant changes in BP levels.

CONCLUSIONS: BP levels among adults with diabetes improved between 1988-1994 and 2001-2008, but the progress stalled between 2001-2004 and 2005-2008. The lack of improvement among young adults is concerning.

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