• Geriatric Department, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, P. R. China;
HAN Xu, Email: hanxu9998@126.com
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Objective To systematically review the diagnostic value of miRNAs for Alzheimer’s disease (AD).Methods PubMed, Web of Science, EMbase, The Cochrane Library, CNKI, WanFang Data, VIP, and CBM databases were electronically searched to collect diagnostic tests of miRNAs for AD from inception to October 31, 2020. Two researchers independently screened literature, extracted data, and assessed the risk of bias of the included studies. RevMan 5.3 and Stata 14.0 software were used for meta-analysis. Results A total of 22 studies involving 4 006 subjects were included. The meta-analysis results showed that the pooled sensitivity, specificity, positive and negative likelihood ratios, diagnostic odds ratio, and the areas under the working characteristic curve of miRNA in AD diagnosis were 0.83 (95%CI 0.79 to 0.87), 0.80 (95%CI 0.76 to 0.83), 4.07 (95%CI 3.37 to 4.92), 0.21 (95%CI 0.17 to 0.27), 19.20 (95%CI 12.96 to 28.48) and 0.88 (95%CI 0.85 to 0.90), respectively. Conclusion The current evidence shows that miRNAs have a high diagnostic value for AD. However, because of the limited quality and quantity of the included studies, more high-quality studies are required to verify the above conclusion.

Citation: LIU Jing, WANG Xueli, HAN Xu. Diagnostic value of miRNAs for Alzheimer’s disease: a meta-analysis. Chinese Journal of Evidence-Based Medicine, 2022, 22(5): 537-543. doi: 10.7507/1672-2531.202112070 Copy

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