The Association between Diabetes Mellitus and Nonarteritic Anterior Ischemic Optic Neuropathy: A Systematic Review and Meta-Analysis

Ting Chen, Delu Song, Guangliang Shan, Ke Wang, Yiwei Wang, Jin Ma and Yong Zhong

PLOS ONE, 2013, vol. 8, issue 9, 1-7

Abstract: Background: The association of diabetes mellitus (DM) with nonarteritic anterior ischemic optic neuropathy (NAION) has been inconclusive. Purpose: To determine whether DM is associated with an increased risk of NAION. Methods: A comprehensive literature search was performed for published studies reporting both DM and NAION based on PubMed and EMBASE. After reviewing characteristics of all the included studies systematically, meta-analytical method was employed to calculate the pooled odds ratio (OR) and associated 95% confidence interval (CI) from random-effects models. Heterogeneity was assessed by Q-statistic test. Funnel Plot, Begg's and Egger's linear regression test were applied to evaluate publication bias. A sensitivity analysis and meta-regression analysis were also performed to assess the robustness of results. Results: 2,096 participants from 12 case-control studies were pooled for a meta-analysis. The result of meta-analysis of these studies indicated that DM is associated with increased risk of NAION (pooled OR = 1.64, 95% CI = 1.17–2.30; P = 0.004). Sensitivity analysis indicated our findings are robust, and meta-regression analysis revealed no significant effect in terms of geographical area, gender, age of patients with NAION, the year of the publication, source of the controls, and sample size (all p>0.05). Evidence of publication bias was not observed in our study. Conclusion: Meta-analysis suggests that DM might be associated with increased risk of NAION.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0076653

DOI: 10.1371/journal.pone.0076653

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