1.3　Race

The racial disparity in chronic pancreatitis has been reported in some epidemiological studies.A study aiming to explore the importance of race as a risk factor for CP was carried out in America and Europe.The result showed that black males and females have a higher risk of chronic pancreatitis than the white（Lowenfels et al.1999）.The reason is unclear，and more research is needed to explore whether the difference is related with lifestyle，and dietary，genetic，or other factors.Data from both national and state hospitals in American revealed that black males and females have the higher hospitalization rates for CP than all other races（Jupp et al.2010；Yang et al.2008；Tao et al.2003）.(https://www.daowen.com)