Vascular endothelial growth factor and recurrent spontaneous abortion: A meta-analysis |
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Authors: | Bingzhen Zhang Bingqin DaiXingliang Zhang Zhiping Wang |
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Institution: | Department of Epidemiology and Health Statistics, School of Public Health, Shandong University, Jinan, China |
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Abstract: | To evaluate the association between vascular endothelial growth factor (VEGF) gene polymorphisms and the risk of recurrent spontaneous abortion (RSA), a meta-analysis of published case–control studies for the VEGF gene polymorphisms (gene polymorphisms reported more than three times were selected) and the risk of RSA. Odds ratios (ORs) and 95% confidence intervals (CIs) for codominant, dominant and recessive genetic models were assessed by RevMan software. Eight studies with 2813 cases and 2830 controls were included in this meta-analysis. The pooled analysis showed that − 2578C/A, − 1154G/A polymorphisms of VEGF were not significantly associated with the risk of RSA neither under codominant model nor under dominant model, nor under recessive model. Whereas, for − 634G/C polymorphism, the pooled OR and 95% CI were 1.23 (1.01–1.49) under recessive model; and for 936C/T polymorphism, the pooled OR and 95% CI were 1.34 (1.07–1.67) and 1.40 (1.09–1.80) under codominant and dominant models, respectively. This meta-analysis suggested that VEGF gene − 2578C/A, − 1154G/A polymorphisms were not significantly associated with the risk of RSA, whereas, − 634G/C and + 936C/T polymorphisms were associated with the risk of RSA under specific genetic models. |
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Keywords: | RSA recurrent spontaneous abortion VEGF vascular endothelial growth factor OR odds ratio CI confidence interval HWE Hardy&ndash Weinberg equilibrium REM random effect model FEM fixed effect model |
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