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. 2019 May 25;20(5):1393-1401.
doi: 10.31557/APJCP.2019.20.5.1393.

Index-Based Dietary Patterns and the Risk of Prostate Cancer among Iranian Men

Matin Ghanavti  1 , Mehdi Movahed  2 , Bahram Rashidkhani  2 , Afshin Rakhsha  3 , Ehsan Hejazi  4
Affiliations

Index-Based Dietary Patterns and the Risk of Prostate Cancer among Iranian Men

Matin Ghanavti et al. Asian Pac J Cancer Prev. .

Abstract

Background and objective: The second most common cancer in men after lung cancer is prostate cancer (PC). Previous studies assessed the association between food items or food groups and the risk of PC, but diet quality indices are unique approaches to study any relations between diet and disease. Our objective was to investigate the effect of healthy eating index (HEI-2010) and Mediterranean-Style Dietary Pattern Score (MSDPS) on PC risk. Methods: In this case-control study, we recruited 97 patients with MS and 205 control subjects . Dietary intake was evaluted using a valid and reliable food frequency questionnaire. The HEI and MSDPS were calculated. Logistic regression was used to evaluate the relationship between HEI and MSDP scores and PC risk after adjusting the confounders. Results: In comparison to controls, cases had lower score on HEI (61 vs. 70.07; P< 0.001), and higher score on MSDP (26.20 vs. 24.49; P= 0.44). After comparing the highest and the lowest tertile of HEI, we observed a significant decreasing trend in the risk of PC (p for trend<0.001). Conclusion: Our findings suggested that a high quality diet, according to HEI, may decrease the risk of PC.

Keywords: Healthy Eating Index; Mediterranean; Style Dietary Pattern Score; diet quality; prostate cancer.

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