Smoking was recently suggested to increase the risk of anal cancer more in premenopausal women than in postmenopausal women. Thus, we used our population-based anal cancer case-control study in Denmark and Sweden to test this hypothesis. Two control groups were used: 1 population control subjects women and men and 2 patients with rectal adenocarcinoma women and men. Odds ratios ORs , calculated from logistic regression analyses, were used as measures of relative risk. All P values are two-sided. Smoking was not statistically significantly associated with anal cancer risk in postmenopausal women or men. Since the anal mucosa is an estrogen-sensitive area, we hypothesize an antiestrogenic mechanism of action for smoking in anal carcinogenesis.
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Language: English Chinese. This study sought to assess the role of smoking in anorectal male patients in a Chinese population. In this retrospective study, a questionnaire, including smoking history, was completed over a 3-month period by male inpatients in the Proctology Department of China-Japan Friendship Hospital. Mann-Whitney U -test and Chi-square test were carried out to examine differences in baseline characteristics between groups. Subsequently, multivariate logistic regression was used to explore any related factors. A total of patients aged from 18 to 80 years were included, excluding those diagnosed with inflammatory bowel disease or diabetes mellitus. Out of this total, patients Among the patients, Consequently, current smoking patients should be informed of this relationship, and further research should be conducted to explore and investigate this further.
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