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Mediterranean dietary pattern and the risk of prostate cancer: A meta-analysis.

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Published:1st Jul 2019
Author: Cheng S, Zheng Q, Ding G, Li G.
Source: Medicine
Availability: Free full text
Ref.:Medicine (Baltimore). 2019;98(27):e16341.
DOI:10.1097/MD.0000000000016341

Background: Mediterranean dietary pattern has attracted great attention in terms of its effect on human health. However, whether Mediterranean dietary pattern is an independent protective factor for prostate cancer remains controversial. Our goal was to evaluate this association by conducting a meta-analysis of observational studies.

Methods: We searched the PubMed and EMBASE database through February 2019 for relevant studies that examined the association between Mediterranean Diet and prostate cancer risk. The combined risk estimates were computed using a DerSimonian random-effects model.

Results: A total of 10 eligible studies were included in this meta-analysis. The pooled risk estimates and 95% confidence interval (CI) in relation to Mediterranean diet pattern were 0.95 (95% CI: 0.90 to 1.01) for total prostate cancer, 0.93 (95% CI: 0.75 to 1.14) for advanced prostate cancer, 0.96 (95% CI: 0.81 to 1.14) for localized prostate cancer, and 0.92 (95% CI: 0.76 to 1.11) for fatal prostate cancer. There was no evidence of heterogeneity for total (P = .326, I2 = 12.7%), localized (P = .706, I2 = 0.0%) and fatal prostate cancer (P = .282, I2 = 13.0%), but not for advanced prostate cancer (P = .018, I2 = 63.4%).

Conclusion: This large meta-analysis of observational studies suggests that Mediterranean dietary pattern has no relationship with prostate cancer risk.

 

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