In The Value of Colon Cancer Screening (https://www.blackliszt.com/2023/01/value-of-colon-cancer-screening.html https://www.blackliszt.com/2023/01/value-of-col

In The Value of Colon Cancer Screening (https://www.blackliszt.com/2023/01/value-of-colon-cancer-screening.html https://www.blackliszt.com/2023/01/value-of-colon-cancer-scr...), David B. Black argues that colonoscopies are a net negative, based on the “high confidence result of harm based on millions of patients [1], vs. the nearly identical low-confidence results of benefit from the NordiCC study”. [1] “14.6 major bleeding events per 10,000 colonoscopies (95% CI, 9.4-19.9; 20 studies; n = 5,172,508) and 3.1 perforations per 10,000 colonoscopies (95% CI, 2.3-4.0; 26 studies; n = 5,272,600)”