期刊
ASIA-PACIFIC JOURNAL OF CLINICAL ONCOLOGY
卷 10, 期 2, 页码 133-140出版社
WILEY
DOI: 10.1111/ajco.12067
关键词
fruit; meta-analysis; prostatic neoplasm; vegetable
类别
Aims Recent reports have examined the effect of fruit and vegetable intake on the risk of prostate cancer, but the results are inconsistent. A meta-analysis of prospective studies was conducted to arrive at quantitative conclusions about the contribution of vegetable and fruit intake to the incidence of prostate cancer. Methods A comprehensive, systematic search of medical literature published up to June 2012 was performed to identify relevant studies. Separate meta-analyses were conducted for fruit and vegetable consumption. The presence of publication bias was assessed using Egger and Begg tests. Results In total, 16 cohort studies met the inclusion criteria and were included in the meta-analysis. The combined adjusted relative risk comparing highest with lowest categories showed that there was no association between vegetable and fruit consumption and prostate cancer incidence. The pooled relative risk was 0.97 (95%CI 0.93, 1.01) for vegetables and 1.02 (95%CI 0.98, 1.07) for fruit. There is no heterogeneity between the studies. No publication bias was detected. Conclusion This meta-analysis suggests that total fruit or vegetable consumption may not exert a protective role in the risk of prostate cancer.
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