Epidemic Trend Analysis of Colorectal Cancer in Jiading District, Shanghai from 2003 to 2019

Background Colorectal cancer has become the third most prevalent malignant tumor in Jiading district of Shanghai, and its disease burden is still increasing. Objective To analyze the epidemic trend of colorectal cancer in Jiading district of Shanghai from 2003 to 2019 and provide scientific basis for the prevention and treatment of colorectal cancer. Methods Based on the cancer registration data from 2003 to 2019 in Jiading district of Shanghai, the statistical indicators such as crude incidence rate, crude mortality rate, standardized incidence rate and standardized mortality rate were calculated (the rate was standardized using the Chinese standard population of 2010). Joinpoint Regression Program 4.9.1.0 software was used to analyze the trends of incidence rate and mortality rate. Results From 2003 to 2019, there were 5 020 new cases of colorectal cancer in Jiading district of Shanghai, with a crude incidence rate of 52.12/100 000, a standardized incidence rate of 26.27/100 000; there were 2 419 deaths, with a crude mortality rate of 25.12/100 000, and a standardized mortality rate of 11.16/100 000; with males having higher crude incidence and crude mortality rates than females (P