Diabetes-Linked Cardio, All-Cause Mortality Decreasing

Significant decreases in CVD, all-cause death rates for U.S. adults with diabetes from 1997 to 2006

WEDNESDAY, May 23 (HealthDay News) -- From 1997 to 2006, there was a significant decrease in the cardiovascular disease (CVD) and all-cause mortality rates for U.S. men and women with diabetes, according to research published in the June issue of Diabetes Care.

Edward W. Gregg, Ph.D., from the U.S. Centers for Disease Control and Prevention in Atlanta, and colleagues used data from the National Health Interview Surveys linked to the National Death Index to compare the three-year death rates for four consecutive nationally representative samples (1997 to 1998, 1999 to 2000, 2001 to 2002, and 2003 to 2004) of U.S. adults with and without diabetes.

The investigators found that, from the earliest to the latest sample, among adults with diabetes, the CVD death rate decreased by 40 percent and all-cause mortality decreased by 23 percent. Similar declines in mortality were seen for both men and women with diabetes. There was a 60 percent decrease in the excess CVD mortality rate linked with diabetes (from 5.8 to 2.3 deaths per 1,000 person-years) and a 44 percent decrease in the excess all-cause mortality rate (from 10.8 to 6.1 deaths per 1,000 person-years).

"Although our analyses indicate [an] encouraging reduction in mortality and, indirectly, continued success in diabetes care, these findings have ironic implications for the future U.S. diabetes," the authors write. "Recently published models indicate that declining mortality among people with diabetes can lead to a substantial increase in prevalence."

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