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Asian Pac J Cancer Prev. 2013;14(8):4785-90.

Alcohol Consumption and Breast Cancer Survival: A Meta- analysis of Cohort Studies.

Author information

1
Department of Thoracic Surgery, Lanzhou University, Second Hospital, Lanzhou, Gansu Province, China E-mail : hexiaodong2006@126.com.

Abstract

BACKGROUND AND OBJECTIVES:

Evidence for associations between alcohol consumption with breast cancer survival are conflicting, so we conducted the present meta-analysis.

METHODS:

Comprehensive searches were conducted to find cohort studies that evaluated the relationship between alcohol consumption with breast cancer survival. Data were analyzed with meta-analysis software.

RESULTS:

We included 25 cohort studies. The meta-analysis results showed that alcohol consumption was not associated with increased breast cancer mortality and recurrence after pooling all data from highest versus lowest comparisons. Subgroup analyses showed that pre-diagnostic or post-diagnostic consumpotion, and ER status did not affect the relationship with breast cancer mortality and recurrence. Although the relationships of different alcohol consumption with breast cancer mortality and recurrence were not significant, there seemed to be a dose-response relationship of alcohol consumption with breast cancer mortality and recurrence. Only alcohol consumption of >20 g/d was associated with increased breast cancer mortality, but not with increased breast cancer recurrence.

CONCLUSION:

Although our meta-analysis showed alcohol drinking was not associated with increased breast cancer mortality and recurrence, there seemed to be a dose-response relationship of alcohol consumption with breast cancer mortality and recurrence and alcohol consumption of >20 g/d was associated with increased breast cancer mortality.

PMID:
24083744
DOI:
10.7314/apjcp.2013.14.8.4785
[Indexed for MEDLINE]
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