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Colonoscopy Shows More Polyps in Black Patients Than White Patients CHICAGO -- September 23, 2008 -- Compared with white patients, black patients undergoing screening colonoscopy have a higher prevalence of colon polyps, according to a study in the September 24 issue of the Journal of the American Medical Association. David A. Lieberman, MD, of Portland VA Medical Center, Portland, Oregon, and colleagues measured the prevalence and location of colon polyps sized >9 mm in diameter in black patients (n = 5,464) and in white patients (n = 80,061) who had undergone colonoscopy screening at 67 practice settings across the United States. The researchers found that a total of 422 black patients (7.7%) and 4,964 white patients (6.2%) had 1 or more polyps sized >9 mm. These differences extended across all age groups in women and men. Compared with white patients, black men had a 16% increased odds of having polyps sized >9 mm and black women had a 62% increased odds. There was an increased risk associated with patients aged 50 years and older and also a significant increase in risk in patients aged 60 to 69 years when compared with those aged 50 to 59 years. In a subanalysis of patients aged 60 years and older, proximal polyps >9 mm in size were more likely prevalent in black men and women compared with white men and women. "In summary, we find that asymptomatic black men and women undergoing colonoscopy screening are more likely to have 1 or more polyps sized >9 mm compared with white individuals. The differences were especially striking among women. These findings emphasise the importance of encouraging all black men and women to be screened," the authors write. SOURCE: Journal of the American Medical Association E-mail this page to a friend or colleague! To print, use this version