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Association of tea consumption and the risk of oral cancer: a meta-analysis.
Oral Oncol 2014; 50(4):276-81OO

Abstract

OBJECTIVES

Epidemiological studies evaluating the association of tea consumption and the risk of oral cancer risk have produced inconsistent results. Thus, we conducted a meta-analysis to assess the relationship between tea consumption and oral cancer risk.

METHODS

Pertinent studies were identified by a search in PubMed, Web of Knowledge and Wan Fang Med Online. The fixed or random effect model was used based on heterogeneity test. Publication bias was estimated using Egger's regression asymmetry test.

RESULTS

Finally, 14 articles with 19 studies comprising 4675 oral cancer cases were included in this meta-analysis. The relative risk (95% confidence interval) of oral cancer for the highest versus the lowest category of tea consumption was 0.853 (0.779-0.934), and the association was significant between oral cancer risk and green tea consumption [0.798 (0.673-0.947)] but not in the black tea consumption [0.953 (0.792-1.146)]. The associations were also significant in Asian and Caucasian.

CONCLUSIONS

Our analysis indicated that tea consumption may have a protective effect on oral cancer, especially in green tea consumption.

Authors+Show Affiliations

Department of Periodontology and Oral Mucosal Diseases, Qingdao Stomatological Hospital, Qingdao, China. Electronic address: kqwchwang@126.com.Department of Pediatric Dentistry, Qingdao Stomatological Hospital, Qingdao, China.Department of Periodontology and Oral Mucosal Diseases, Qingdao Stomatological Hospital, Qingdao, China.Department of Epidemiology and Health Statistics, Medical College of Qingdao University, Qingdao, China.

Pub Type(s)

Journal Article
Meta-Analysis

Language

eng

PubMed ID

24389399

Citation

Wang, Wanchun, et al. "Association of Tea Consumption and the Risk of Oral Cancer: a Meta-analysis." Oral Oncology, vol. 50, no. 4, 2014, pp. 276-81.
Wang W, Yang Y, Zhang W, et al. Association of tea consumption and the risk of oral cancer: a meta-analysis. Oral Oncol. 2014;50(4):276-81.
Wang, W., Yang, Y., Zhang, W., & Wu, W. (2014). Association of tea consumption and the risk of oral cancer: a meta-analysis. Oral Oncology, 50(4), pp. 276-81. doi:10.1016/j.oraloncology.2013.12.014.
Wang W, et al. Association of Tea Consumption and the Risk of Oral Cancer: a Meta-analysis. Oral Oncol. 2014;50(4):276-81. PubMed PMID: 24389399.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Association of tea consumption and the risk of oral cancer: a meta-analysis. AU - Wang,Wanchun, AU - Yang,Yu'e, AU - Zhang,Wenyi, AU - Wu,Wenlong, Y1 - 2014/01/02/ PY - 2013/09/23/received PY - 2013/11/16/revised PY - 2013/12/15/accepted PY - 2014/1/7/entrez PY - 2014/1/7/pubmed PY - 2014/11/15/medline KW - Meta-analysis KW - Oral cancer KW - Tea consumption SP - 276 EP - 81 JF - Oral oncology JO - Oral Oncol. VL - 50 IS - 4 N2 - OBJECTIVES: Epidemiological studies evaluating the association of tea consumption and the risk of oral cancer risk have produced inconsistent results. Thus, we conducted a meta-analysis to assess the relationship between tea consumption and oral cancer risk. METHODS: Pertinent studies were identified by a search in PubMed, Web of Knowledge and Wan Fang Med Online. The fixed or random effect model was used based on heterogeneity test. Publication bias was estimated using Egger's regression asymmetry test. RESULTS: Finally, 14 articles with 19 studies comprising 4675 oral cancer cases were included in this meta-analysis. The relative risk (95% confidence interval) of oral cancer for the highest versus the lowest category of tea consumption was 0.853 (0.779-0.934), and the association was significant between oral cancer risk and green tea consumption [0.798 (0.673-0.947)] but not in the black tea consumption [0.953 (0.792-1.146)]. The associations were also significant in Asian and Caucasian. CONCLUSIONS: Our analysis indicated that tea consumption may have a protective effect on oral cancer, especially in green tea consumption. SN - 1879-0593 UR - https://www.unboundmedicine.com/medline/citation/24389399/Association_of_tea_consumption_and_the_risk_of_oral_cancer:_a_meta_analysis_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S1368-8375(13)00802-6 DB - PRIME DP - Unbound Medicine ER -