Feces were collected for quantitative FIT test. Those with positive results were further examined by colonoscopy. By comparing with pathological results of colonoscopy, the sensitivity, specificity, positive predictive value and negative predictive value of quantitative FIT technology for the diagnosis of colorectal tumors were confirmed.
In order to control the incidence of colorectal cancer, improve the level of early diagnosis and early warning the occurrence of colorectal cancer, it is very necessary for us to explore the threshold value of FIT positive judgment in line with the Chinese population, and further contribute to the establishment of a colorectal cancer screening pathway suitable for Chinese healthy population