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Nutr Cancer. 2015;67(8):1253-9. doi: 10.1080/01635581.2015.1082108. Epub 2015 Sep 23.

Dietary Inflammatory Index and Risk of Esophageal Squamous Cell Cancer in a Case-Control Study from Iran.

Author information

1
a Cancer Prevention and Control Program and Department of Epidemiology and Biostatistics , Arnold School of Public Health, University of South Carolina , Columbia , South Carolina , USA.
2
b Department of Community Nutrition , Faculty of Nutrition Sciences and Food Technology, National Nutrition and Food Technology Research Institute (WHO Collaborating Center), Shahid Beheshti University of Medical Sciences , Tehran , Iran.

Abstract

Diet and inflammation have been suggested to be important risk factors for esophageal squamous cell carcinoma (ESCC). In this study, we examined the ability of the dietary inflammatory index (DII) to predict ESCC in a case-control study conducted in Iran. This study included 47 ESCC cases and 96 controls hospitalized for acute nonneoplastic diseases. The DII was computed based on dietary intake assessed by a previously validated food frequency questionnaire. Logistic regression models were used to estimate odds ratios (ORs) adjusted for age, energy, sex, body mass index, years of education, physical activity, smoking and gastroesophageal reflux. Subjects with higher DII scores (i.e., with a more proinflammatory diet) had a higher risk of ESCC, with the DII being used as both a continuous variable [ORcontinuous = 3.58, 95% confidence interval (CI): 1.76-7.26; one unit increase corresponding to ≈16% of its range in the current study] and a categorical variable (ORdii>1.20 vs ≤1.20 = 8.24, 95% CI: 2.03-33.47). These results indicate that a proinflammatory diet is associated with increased risk of ESCC.

PMID:
26400625
PMCID:
PMC4821158
DOI:
10.1080/01635581.2015.1082108
[Indexed for MEDLINE]
Free PMC Article

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