Quanto ao rastreamento para o câncer colorretal, analise essa sentença sobre um ensaio clínico randomizado: “During a median follow-up of 10 years, 259 cases of colorectal cancer were diagnosed in the invited group as compared with 622 cases in the usual-care group. In intention-to-screen analyses, the risk of colorectal cancer at 10 years was 0.98% in the invited group and 1.20% in the usual-care group, a risk reduction of 18% (risk ratio, 0.82; 95% confidence interval [CI], 0.70 to 0.93). The risk of death from colorectal cancer was 0.28% in the invited group and 0.31% in the usual- -care group (risk ratio, 0.90; 95% CI, 0.64 to 1.16).” (October 27, 2022 N Engl J Med 2022; 387:1547- 1556: Effect of Colonoscopy Screening on Risks of Colorectal Cancer and Related Death).