Reproductive and Exogenous Hormone Factors in Relation to Risk of Meningioma in Women: A Meta-Analysis

Zhen-Yu Qi, Chuan Shao, Yu-Lun Huang, Guo-Zhen Hui, You-Xin Zhou and Zhong Wang

PLOS ONE, 2013, vol. 8, issue 12, 1-11

Abstract: Background and Objective: A number of studies have focused on the association between oral contraceptive (OC), hormonal replacement therapy (HRT) and reproductive factors and meningioma risk, but the results were inconsistent. Thus, a meta-analysis was performed to obtain more precise estimates of risk. Methods: We conducted a literature search using PubMed and EMBASE databases to July2013, without any limitations. Random effects models were used to summarize results. Results: Twelve case-control and six cohort studies were included in this meta-analysis. We found that an increased risk of meningioma was associated with HRT use(RR = 1.19, 95% CI = 1.01–1.40), postmenopausal women(RR = 1.32, 95% CI = 1.07–1.64) and parity(RR = 1.18, 95% CI = 1.00–1.40).No significant associations were observed for OC use (RR = 0.93, 95% CI = 0.83–1.03), age at menarche(RR = 1.06, 95% CI = 0.92–1.21), age at menopause(RR = 1.03, 95% CI = 0.81–1.30), or age at first birth(RR = 0.94, 95% CI = 0.80–1.10). Conclusion: In conclusion, the results of our study support the hypothesis that longer exposure to effect of female sex hormones may increase the risk of meningioma in women, yet additional studies are warranted to confirm our findings and identify the underlying biological mechanisms.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0083261

DOI: 10.1371/journal.pone.0083261

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