Differences in colorectal cancer surveillance epidemiology and screening in the WHO European Region

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Abstract
The aim of this study was to describe the Colorectal Cancer (CRC) burden and prevention actions in 53 countries of the World Health Organization (WHO) European Region (ER). Multiple correspondence analysis was applied to examine the association among the following variables: Measures of occurrence; type of screening programme; existence of cancer registries; data quality and; and gross national income (GNI) level. The study demonstrated clear differences according to GNI: low‑middle income (LMI) countries show low mortality rates and unorganized screening programme; upper‑middle income (UMI) countries show no test offered, incomplete or absent data mortality, and low quality of the method used to estimate incidence and mortality rates; high income (HI) countries show high mortality rates, test offered (FOBT and colonoscopy), the existence of a national registry, screening population‑based, insurance of payment policy, and high quality of the method used to estimate incidence and mortality rates. HI countries reflect a strong interest in epidemiological monitoring and produce accurate indicators of disease occurrence. On the other hand, surveillance strategies need to be improved in UMI and LMI countries: As national vital statistics are unavailable, partial or inaccurate, the coverage and completeness of the mortality data are frequently poor, there is a less efficient general organization. In conclusion, it is important to underline that the resources available (as measured by GNI) appear to be major factors in the Colorectal Cancer Surveillance Epidemiology and Screening in the WHO European Region.

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