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Sepsis Affects Twice as Many Blacks as Whites
February 07, 2008 at 4:27 PM
General Health News
The difference in incidence was evident by age 20 and continued throughout the adult lifespan. After accounting for differences in poverty and geography, black race remained independently associated with higher severe sepsis incidence, wrote lead authors Amber E. Barnato, M.D., M.P.H., M.S., of the Center for Research on Health Care at the University of Pittsburgh, and Sherri L. Alexander, Ph.D., of Genentech. Hispanics, on the other hand, have a lower incidence of severe sepsis than whites.
What is more, blacks die more frequently of severe sepsis that either whites or Hispanics.
The findings appear in the first issue for February of the American Journal of Respiratory and Critical Care Medicine, published by the American Thoracic Society.
Dr. Barnato and colleagues conducted a retrospective population-based analysis of race-specific incidence and ICU case fatality rates for hospital-based infection and severe sepsis in Florida, Massachusetts, New Jersey, New York, Virginia and Texas. They obtained demographic and socioeconomic data from the 2000 U.S. census and clinical data for hospitalized severe sepsis cases from the hospitals discharge data. They compared incidence of severe sepsis, ICU admission and ICU case fatality among races, controlling for age and gender. The total analysis included more than 71 million people.
Blacks do indeed have a higher rate of severe sepsisalmost double that of whites, wrote Dr. Barnato. Some, but not all of this increase was explained by blacks more frequent residence in ZIP codes with higher poverty rates, suggesting that social, rather than biological determinants, such as health behavior and access to primary care, may contribute to this disparity, Dr. Barnato continued. In contrast, Hispanic ethnicity appeared protective, conditional on similar regional urbanicity and poverty.
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