The risk of colorectal neoplasm in ex- and never-smokers according to urinary cotinine level
In: Medicine, Jg. 100 (2020-03-17), Heft 22
Online
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Zugriff:
To investigate the relationship between urinary cotinine and colorectal neoplasm (CRN). The participants in the health screening cohort of the National Cancer Center who underwent screening colonoscopy between June 2007 and December 2009 were included. A total of 8121 subjects who underwent urinary cotinine measurement within 14 days from the index colonoscopy were included. Cotinine positivity was defined as having a urinary cotinine level ≥50 ng/mL. Follow-up colonoscopy data were collected by reviewing the patients’ medical records. Patients were classified according to their urinary cotinine level and self-reported smoking status, and the number of patients with cotinine positivity was 1960 (24.1%). There was no significant difference in the cumulative CRN and advanced CRN (ACRN) risks according to the self-reported smoking status. However, cotinine positivity at the time of index colonoscopy was an independent risk factor for CRN (hazard ratio [HR]= 1.23, P = .006) in follow-up colonoscopy. Moreover, in never- and ex-smokers, cotinine positivity was an independent risk factor for CRN (HR = 1.95, P = .019; HR = 2.12, P = .003, respectively) and ACRN (HR = 8.89, P
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The risk of colorectal neoplasm in ex- and never-smokers according to urinary cotinine level
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Autor/in / Beteiligte Person: | Kyung Su Han ; Chang Won Hong ; Ju Yeon Oh ; Seung Jae Roh ; Kim, Bun ; Byung Chang Kim ; Dae Kyung Sohn |
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Zeitschrift: | Medicine, Jg. 100 (2020-03-17), Heft 22 |
Veröffentlichung: | 2020 |
Medientyp: | unknown |
ISSN: | 1536-5964 (print) |
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