Objectives: With the prolongation of life expectancy in patients with myasthenia gravis, the number of comorbidities is increasing. Diabetes mellitus is one of the main comorbidities faced by patients with myasthenia gravis. However, there is not enough epidemiological information on diabetes mellitus. Given these limitations, the purpose of this study was to review the prevalence of diabetes mellitus in patients with myasthenia gravis and whether the myasthenia gravis is associated with an increased risk of gestational diabetes mellitus.

Methods: PubMed, Embase, and Web of Science were searched for articles published prior to February 2024. Endnote 21 software was used to manage all relevant records. Review Manager version 5.4 and Stata version 18.0 software were used for the statistical analysis. Funnel plots and Egger's test were used to assess publication bias.

Results: Twenty-four articles met the inclusion criteria and were included in the study. Among 23,516 myasthenia gravis patients, the prevalence of diabetes mellitus was 17% (95% CI 12~22%). In addition, the meta-analysis of the two studies showed that myasthenia gravis was significantly associated with an increased risk of gestational diabetes mellitus (OR = 1.56, 95% CI 1.26~1.93, p < 0.01).

Conclusions: Among the comorbidities of myasthenia gravis patients, diabetes mellitus is common, and the risk of gestational diabetes mellitus is increased in myasthenia gravis patients. These findings remind us that diabetes mellitus seems to be an important issue in the clinical management of myasthenia gravis patients and requires more attention.

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http://dx.doi.org/10.1007/s12020-024-04143-1DOI Listing

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