Tooth Loss and Head and Neck Cancer: A Meta-Analysis of Observational Studies

Xian-Tao Zeng, Wei Luo, Wei Huang, Quan Wang, Yi Guo and Wei-Dong Leng

PLOS ONE, 2013, vol. 8, issue 11, 1-8

Abstract: Backgroud: Epidemiological studies have shown that tooth loss is associated with risk of head and neck cancer (HNC); however, the results were inconsistent. Therefore, we conducted a meta-analysis to ascertain the relationship between tooth loss and HNC. Methods: We searched for relevant observational studies that tested the association between tooth loss and risk of HNC from PubMed and were conducted up to January 30, 2013. Data from the eligible studies were independently extracted by two authors. The meta-analysis was performed using the Comprehensive Meta-Analysis 2.2 software. Sensitivity and subgroup analyses were conducted to evaluate the influence of various inclusions. Publication bias was also detected. Results: Ten articles involving one cohort and ten case-control studies were yielded. Based on random-effects meta-analysis, an association between tooth loss and HNC risk was identified [increased risk of 29% for 1 to 6 teeth loss (OR = 1.29, 95% CI = 0.52–3.20, p = 0.59), 58% for 6 to 15 teeth loss (OR = 1.58, 95% CI = 1.08–2.32, p = 0.02), 63% for 11+ teeth loss (OR = 1.63, 95% CI = 1.23–2.14, p

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0079074

DOI: 10.1371/journal.pone.0079074

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