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Thursday, December 31, 2009

Alcohol consumption and non-Hodgkin lymphoma survival


Epidemiological studies have shown that moderate alcohol drinkers have a lower death rate for all causes. Alcohol drinking has also been associated with reduced risk of non-Hodgkin lymphoma (NHL).

Here, we examined the role of alcohol consumption on NHL survival by type of alcohol consumed and NHL subtype.

Compared to never drinkers, wine drinkers experienced better overall survival (75% vs. 69% five-year survival rates, p-value for log-rank test = 0.030) and better disease free survival (70% vs. 67% five-year disease-free survival rates, p-value for log-rank test = 0.049). Analysis by NHL subtype shows that the favorable effect of wine consumption was mainly seen for patients diagnosed with diffuse large B-cell lymphoma (DLBCL) (wine drinkers for more than 25 years vs. never drinkers: HR = 0.36, 95% CI 0.14–0.94 for overall survival; HR = 0.38, 95% CI 0.16–0.94 for disease-free survival), and the adverse effect of liquor consumption was also observed among DLBCL patients (liquor drinkers vs. never drinkers: HR=2.49, 95% CI 1.26–4.93 for disease-free survival).

Our results suggest a moderate relationship between pre-diagnostic alcohol consumption and NHL survival, particularly for DLBCL. The results need to be replicated in larger studies.

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Request Reprint E-Mail: yawei.zhang@yale.edu
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