If differences in health outcomes are seen between populations, a disparity exists. However, there have been disagreements on the exact definition of a health dispar-ity.1 The National Institutes of Health’s definition in 2000 was: “differences in the incidence, prevalence, mortality, and bur-den of diseases and other adverse health conditions that exist among specific pop-ulation groups in the United States. ” The Institute of Medicine’s 2002 definition included “racial or ethnic differences in the quality of health care that are not due to access-related factors or clinical needs, preferences and appropriateness o