{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,29]],"date-time":"2026-07-29T02:19:19Z","timestamp":1785291559373,"version":"3.55.0"},"reference-count":16,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2015,3,20]],"date-time":"2015-03-20T00:00:00Z","timestamp":1426809600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Colorectal Disease"],"published-print":{"date-parts":[[2015,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>Incomplete colonoscopy indicated for the detection of neoplasia occurs in 2\u221223% of patients, but there is little information on the long\u2010term outcome of such patients.<\/jats:p><\/jats:sec><jats:sec><jats:title>Method<\/jats:title><jats:p>All patients who underwent colonoscopy over 5\u00a0years at the Royal Liverpool University Hospital with a follow\u2010up of up to 5\u00a0years were identified.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The risk of colorectal cancer (<jats:styled-content style=\"fixed-case\">CRC<\/jats:styled-content>) was 2.9% (312\/10\u00a0580) for all patients undergoing colonoscopy. For a failed colonoscopy, the risk was five\u2010fold higher [14.3% (99\/693)]. The mean age of the patients was 61\u00a0years and 58% were female. Following incomplete colonoscopy the risk of finding additional <jats:styled-content style=\"fixed-case\">CRC<\/jats:styled-content>, advanced colonic neoplasia and extracolonic neoplasia on subsequent investigation was 6.2%, 3.2% and 1.9%. The diagnostic yield on subsequent investigation for <jats:styled-content style=\"fixed-case\">CRC<\/jats:styled-content> or colonic polyps was 7% for repeat colonoscopy, 13.4% for computed tomography colonography, 10.3% for standard computed tomography and 1.8% for barium enema. In the 363 patients who were not offered a subsequent investigation, there was no further instance of <jats:styled-content style=\"fixed-case\">CRC<\/jats:styled-content> or <jats:styled-content style=\"fixed-case\">CRC<\/jats:styled-content>\u2010related mortality over a 36\u2010month period.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Although the risk of <jats:styled-content style=\"fixed-case\">CRC<\/jats:styled-content> is higher in patients who have had a failed colonoscopy, a protocol approach of subsequent investigation should not replace clinical assessment on whether another test is necessary in the light of the good outcome of patients who were not subsequently investigated.<\/jats:p><\/jats:sec>","DOI":"10.1111\/codi.12901","type":"journal-article","created":{"date-parts":[[2015,1,21]],"date-time":"2015-01-21T11:26:24Z","timestamp":1421839584000},"page":"298-303","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["The 5\u2010year outcome of patients having incomplete colonoscopy"],"prefix":"10.1111","volume":"17","author":[{"given":"E. 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