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POLESEL, J; NEGRI, E; FRANCESCHI, S; TALAMINI, R; SERRAINO, D; PARPINEL, M; BARZAN, L; LIBRA, M; BOSETTI, C; GARAVELLO, W; MONTELLA, M; LA VECCHIA, C
British journal of cancer, 10/2012, Letnik: 107, Številka: 9Journal Article
Dietary habits have been related to the risk of nasopharyngeal carcinoma (NPC), but information on a wide range of macro- and micronutrients is still lacking, particularly for low-incidence countries. We conducted a hospital-based case-control study in Italy on 198, histologically confirmed, NPC cases of Caucasian ethnicity of 18-76 years of age. Controls were 594 Caucasian cancer-free patients admitted to general hospitals for acute conditions. Nutrients intake was assessed through a validated food-frequency questionnaire. Adjusted odds ratios (ORs) and the corresponding confidence intervals (CIs) were estimated through logistic regression. Dietary intake of carotenoids were inversely related to NPC risk, notably carotene (OR for highest vs lowest quartile=0.46; 95% CI: 0.26-0.79), α-carotene (OR=0.57; 95% CI: 0.33-0.97), and β-carotene (OR=0.42; 95% CI: 0.24-0.75). Increased NPC risk was observed for elevate cholesterol intake (OR=1.85; 95% CI: 1.12-3.05). Study findings suggest a protective effect of carotenoids against NPC in a low-risk population, adding further support to a possible beneficial role of a diet rich in fruits and vegetables in cancers of the head and neck.
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