Association between Dietary Vitamin A Intake and the Risk of Glioma: Evidence from a Meta-analysis

被引:34
|
作者
Lv, Wen [1 ]
Zhong, Xian [2 ]
Xu, Lingmin [3 ]
Han, Weidong [3 ]
机构
[1] Zhejiang Univ, Sir Run Run Shaw Hosp, Coll Med, Dept Internal Neurol, Hangzhou 310016, Zhejiang, Peoples R China
[2] Hangzhou Binjiang Hosp, Dept Med Oncol, Hangzhou 310052, Zhejiang, Peoples R China
[3] Zhejiang Univ, Sir Run Run Shaw Hosp, Coll Med, Dept Med Oncol, Hangzhou 310016, Zhejiang, Peoples R China
基金
中国国家自然科学基金;
关键词
vitamin A; glioma; meta-analysis; ADULT GLIOMA; CANCER; EPIDEMIOLOGY;
D O I
10.3390/nu7115438
中图分类号
R15 [营养卫生、食品卫生]; TS201 [基础科学];
学科分类号
100403 ;
摘要
The results from epidemiological studies between dietary vitamin A intake and glioma risk is not consistent. Thus, a meta-analysis was conducted to confirm the exact relationship between them. PubMed and Web of Knowledge were used to search the relevant articles up to May 2015. Pooled relative risk (RR) with 95% confidence interval (CI)was calculated using random-effect model. Egger's test was used to assess the small-study effect. At the end, seven articles with eight case-control studies involving 1841 glioma cases and 4123 participants were included. Our study indicated that highest category of dietary vitamin A intake was significantly associated with reduced risk of glioma (RR = 0.80, 95% CI = 0.62-0.98, p = 0.014, I-2 = 54.9%). Egger's test did not find any publication bias. In conclusion, our study indicated that higher category of dietary vitamin A intake could reduce the glioma risk. However, we could not do a dose-response analysis for vitamin A intake with glioma risk due to the limited data in each reported individual article. Due to this limitation, further studies with detailed dose, cases and person-years for each category is wanted to assess this dose-response association.
引用
收藏
页码:8897 / 8904
页数:8
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