New Study Questions Effectiveness of Colonoscopies
Colonoscopy screenings prevent just 1 case of colon cancer for every 455 people who undergo this invasive test, in which a camera is snaked through the intestines, according to a new study that calls into question the benefit of the procedure.For the study, researchers randomly selected about 28,000 adults in Poland, Norway, and Sweden to undergo colonoscopies and compared colon cancer diagnoses and deaths with a randomly selected control group of about 56,000 people who didn’t get these screenings. Over a median follow-up period of 10 years, there were 259 cases of colon cancer detected in the group invited to get colonoscopies and 622 cases in the control group.At 10 years, the group invited to get colonoscopies had an 18 percent lower risk of colon cancer and a 10 percent…