Predicting the presence of adenomatous polyps during colonoscopy with National Cancer Institute Colorectal Cancer Risk-Assessment Tool

World Journal of Gastroenterology : WJG
Hassan TariqJasbir Makker

Abstract

To evaluate the National Cancer Institute (NCI) Colorectal Cancer (CRC) Risk Assessment Tool as a predictor for the presence of adenomatous polyps (AP) found during screening or surveillance colonoscopy. This is a retrospective single center observational study. We collected data of adenomatous polyps in each colonoscopy and then evaluated the lifetime CRC risk. We calculated the AP prevalence across risk score quintiles, odds ratios of the prevalence of AP across risk score quintiles, area under curves (AUCs) and Youden's indexes to assess the optimal risk score cut off value for AP prevalence status. The prevalence of AP gradually increased throughout the five risk score quintiles: i.e., 27.63% in the first and 51.35% in the fifth quintile. The odd ratios of AP prevalence in the fifth quintile compared to the first and second quintile were 2.76 [confidence interval (CI): 1.71-4.47] and 2.09 (CI: 1.32-3.30). The AUC for all patients was 0.62 (CI: 0.58-0.66). Youden's Index indicated the optimal risk score cutoff value discriminating AP prevalence status was 3.60. Patients with the higher NCI risk score have higher risk of AP and subsequent CRC; therefore, measures to increase the effectiveness of CRC detection in these patient...Continue Reading

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Citations

Mar 4, 2021·The American Journal of Gastroenterology·Aasma ShaukatDouglas K Rex
May 7, 2021·Critical Reviews in Food Science and Nutrition·Mohammad Hassan EmamiFatemeh Maghool

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