Colorectal Cancer Prevalence According to Survival Data in Iran-2007

Colorectal cancer is a common (5000 new cases per year in iran) andlethal disease. regarding the high incidence (7 cases per 100000) and survivalrate of colorectal cancer and the priority of prevalence index in cancermanagement, in this study, 1, 2-3 and 4-5 year point prevalence were determinedaccording to survival data.method: in this study, survival and incidence data were used for the determinationof cancer prevalence. incidence data were extracted from cancer registry in iranand survival data were determined during a descriptive study through the follow upof 2342 colorectal cancer patients. 1, 2-3 and 4-5 year point prevalence wereestimated from incidence rates in different years and the proportion of patientssurviving 0.5, 1.5, 2.5, 3.5 and 4.5 year(s) from diagnosis .results: proportion of cases surviving 0.5, 1.5, 2.5, 3.5 and 4.5 year(s) fromdiagnosis were 79.2%, 65.08%, 57.36%, 51.76% and 48.87%, respectively.estimates of 1, 2-3 and 4-5 year prevalence were 4156, 5715 and 4283,respectively. the cumulative 5 year prevalence was 13954 cases.conclusion: these estimates of 1, 2-3 and 4-5 year prevalence are applicable tothe evaluation of initial treatment, clinical follow-up and point of cure, respectively.therefore, 1, 2-3 and 4-5 year point prevalence estimates are necessary in healthservice planning for cancer management.