title: Plasma carotenoids and the prevalence of adenomatous polyps of the distal colon and rectum.
abstract: In a case-control study, the authors investigated relations between plasma carotenoid concentrations and the prevalence of colorectal adenomatous polyps (precursors to colorectal cancer) in residents of Los Angeles County and Orange County, California, from 1991 through 1993. Plasma concentrations of six carotenoids were compared in 472 asymptomatic cases with a first-time diagnosis of at least one adenomatous polyp of the distal colon or rectum and 502 matched controls. Odds ratios adjusted for age, sex, smoking, alcohol intake, and energy, saturated fat, and fruit and vegetable intake revealed no associations between any of the individual carotenoids and polyp prevalence or between total carotenoids and polyp prevalence.
authors.affiliation: Department of Community Health Sciences, School of Public Health, University of California, Los Angeles, USA.
authors.forename: J M
authors.initials: JM
authors.lastname: Shikany
authors.forename: J S
authors.initials: JS
authors.lastname: Witte
authors.forename: S M
authors.initials: SM
authors.lastname: Henning
authors.forename: M E
authors.initials: ME
authors.lastname: Swendseid
authors.forename: C L
authors.initials: CL
authors.lastname: Bird
authors.forename: H D
authors.initials: HD
authors.lastname: Frankl
authors.forename: E R
authors.initials: ER
authors.lastname: Lee
authors.forename: R W
authors.initials: RW
authors.lastname: Haile
mesh_terms: D018256:Adenomatous Polyps / Q000097:blood / Q000453:epidemiology*; D000368:Aged; D002140:California / Q000453:epidemiology; D002338:Carotenoids / Q000097:blood*; D016022:Case-Control Studies; D003110:Colonic Neoplasms / Q000097:blood / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D016017:Odds Ratio; D015995:Prevalence; D012004:Rectal Neoplasms / Q000097:blood / Q000453:epidemiology*; D012307:Risk Factors
chemical_list: D002338:Carotenoids