作者: Ian S Pagano , Shane Y Morita , Sanjaya Dhakal , Scott A Hundahl , Gertraud Maskarinec
关键词: Mortality rate 、 Demography 、 Ethnic group 、 Medicine 、 Socioeconomic status 、 Gynecology 、 Survival rate 、 Cohort study 、 Cancer screening 、 Colorectal cancer 、 Surgical oncology
摘要: Background Although colorectal cancer death rates have been declining, this trend is not consistent across all ethnic groups. Biological, environmental, behavioral and socioeconomic explanations exist, but the reason for discrepancy remains inconclusive. We examined hypothesis that improved screening groups will reduce differences in survival.