Coffee consumption and risk of breast cancer: a metaanalysis

被引:42
作者
Tang, Naping [1 ]
Zhou, Bo [2 ]
Wang, Bin [2 ]
Yu, Rongbin [3 ]
机构
[1] Shanghai Inst Pharmaceut Ind, Natl Shanghai Ctr New Drug Safety Evaluat & Res, Shanghai 201203, Peoples R China
[2] Nanjing Med Univ, Sch Publ Hlth, Dept Pharmacol, Nanjing, Jiangsu Prov, Peoples R China
[3] Nanjing Med Univ, Sch Publ Hlth, Dept Epidemiol & Biostat, Nanjing, Jiangsu Prov, Peoples R China
关键词
breast cancer; coffee consumption; metaanalysis; LIFE-STYLE FACTORS; CAFFEINE CONSUMPTION; DIETARY FACTORS; GREEN TEA; PLASMA ENTEROLACTONE; FIBROCYSTIC DISEASE; CYCLIC-NUCLEOTIDES; TREND ESTIMATION; ASSOCIATION; METHYLXANTHINES;
D O I
10.1016/j.ajog.2008.10.019
中图分类号
R71 [妇产科学];
学科分类号
100211 ;
摘要
OBJECTIVE: This metaanalysis was conducted to assess the association between coffee consumption and breast cancer risk. STUDY DESIGN: Relevant studies were identified by searching Medline (1966-May 2008) and the reference lists of retrieved articles. The summary relative risk (RR) with 95% confidence interval (CI) was calculated using a random-effects model. RESULTS: Nine cohort and 9 case-control studies met the inclusion criteria. The combined RR showed a borderline significant influence of highest coffee consumption (RR, 0.95; 95% CI, 0.90-1.00) or an increment of 2 cups/day of coffee consumption (RR, 0.98; 95% CI, 0.96-1.00) on the risk of breast cancer. In stratified analysis, borderline significant associations were observed among cohort and case-control studies and studies conducted in Europe and the United States. However, no significant association was noted among studies conducted in Asia. CONCLUSION: Our findings suggest a possible influence of high coffee consumption or an increased coffee consumption on the risk of breast cancer.
引用
收藏
页码:290.e1 / 290.e9
页数:9
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