Comparison of dietary habits of patients with colorectal neoplasias and their first-degree relatives

Authors: I. Mikoviny Kajzrlíková 1;  P. Vítek 1,2;  J. Chalupa 1;  P. Dítě 2
Authors‘ workplace: Beskydské Gastrocentrum, Interní oddělení, Nemocnice ve Frýdku-Místku, p. o. 1;  Katedra interních oborů, Lékařská fakulta, Ostravská univerzita v Ostravě 2
Published in: Gastroent Hepatol 2014; 68(3): 202-206
Category: Digestive Endoscopy: Original Article


First-degree relatives of patients with colorectal neoplasias have a higher risk of colorectal cancer than the general population. Colorectal cancer has hereditary as well as nonhereditary risks. The aim of our study was to compare the dietary habits between colorectal neoplasia patients, their first-degree relatives, and a reference group of individuals without medical record and without the finding of neoplastic lesions.

From July 2008 to April 2011, we collected epidemiological data relevant to colorectal cancer from patients with colorectal neoplasias, their first-degree relatives, and also from the control group. The ­dietary habits of all groups were compared. Chi-square test and Fisher's exact test were used to assess the association between the two dichotomous categorical variables.

The study groups consisted of 242 patients with colorectal neoplasias (143 men, 99 women) and 160 first-degree relatives (66 men, 94 women). Fifty-five of the first-degree relatives were found to have a neoplastic lesion upon colonoscopy, while the remaining 105 were without neoplasia. The control group consisted of 123 individuals with a negative family history for neoplastic lesions (66 men, 57 women). No significant differences were observed in the dietary habits between the groups of patients, controls and first-degree relatives with/without neoplastic lesions. Nevertheless, statistically significant sex-related differences were observed in all groups, in which women had healthier dietary habits than men.

There were no significant differences in the dietary habits between the groups, but in all groups examined, women had ­healthier dietary habits than men. We propose that media campaigns should be targeted at the male population, due to the need to improve their lifestyle.

Key words:
colorectal neoplasias – dietary habits – risk factors – family – mass screening

The authors declare they have no potential conflicts of interest concerning drugs, products, or services used in the study.

The Editorial Board declares that the manuscript met the ICMJE „uniform requirements“ for biomedical papers.

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27. 5. 2014


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