High-visfatin levels in women with polycystic ovary syndrome: evidence from a meta-analysis
2015
AbstractObjective: Previous studies regarding visfatin levels in women with polycystic ovary syndrome (PCOS) showed conflicting results. To evaluate the visfatin levels in PCOS, a meta-analysis was performed. Methods: A comprehensive literature search of eligible studies in Embase, Pubmed and the Cochrane Library was undertaken through November 2014. Standardized mean differences (SMDs) with 95% confidence intervals (CIs) were calculated to estimate the strength of the association. Results: A total of 1341 subjects (695 cases and 646 controls) were included in this meta-analysis. The pooled analysis results indicated that the visfatin levels were significantly higher in PCOS patients than that of controls (SMD = 1.19, 95% CI 0.77–1.60, p = 0.000). The results from stratified analysis and univariate analysis suggested that high-visfatin levels were not related to body mass index (BMI), insulin resistance (IR) and total testosterone ratio. Significant heterogeneity was observed in all analysis. Conclusion: ...
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