Background and Aims Prior studies assessing the yield of a second screening colonoscopy
performed 10 years after an initial screening colonoscopy with negative results did not …

Background The incidence of colorectal cancer following a normal colonoscopy in the
Medicare population is not known. Methods A 5% national sample of Medicare enrollees …

BACKGROUND & AIMS: The incidence of colorectal cancer (CRC) overall is reduced for up
to 10 years after a negative colonoscopy. The objective of this research was to determine the …

Background & Aims Data from randomized controlled trials on the effects of screening
colonoscopies on colorectal cancer (CRC) incidence and mortality are not available …

Background & Aims Colonoscopy is widely recommended for colorectal (CRC) screening in
the United States, but evidence of effectiveness is limited. We examined whether exposure …

Objective To review and summarise the evidence on the prevalence of colorectal adenomas
and cancers at a follow-up screening colonoscopy after negative index colonoscopy …

Background & Aims Few studies have evaluated long-term outcomes of ongoing
colonoscopic screening and surveillance in a screening population. We aimed to determine …

The study, conducted in Poland, included 165,887 patients 50 to 66 years of age without a
family history of colorectal cancer who had a negative result from a single screening …

Background The appropriate interval for endoscopic rescreening after a negative
colonoscopic examination is uncertain. Methods We identified persons with no adenomas …

Background Data suggest the overuse of repeat colonoscopies, especially in patients at low
risk for colorectal cancer. Our objective was to evaluate the time to repeat colonoscopies in …