Migraine and the correlation between stroke: A systematic review and meta-analysis
Abstract
Background: This study aims to analyze and evaluate the correlation between migraines and the onset of stroke, and further explore whether migraines increase the risk of stroke. Methods: Two researchers independently conducted a comprehensive search of Chinese biomedical literature databases (CBM disc), PubMed, Embase, Cochrane Library, and Web of Science databases, using a combination of subject terms and free words. Literature that met the inclusion and exclusion criteria was selected, and quality assessment was performed using The Newcastle–Ottawa Scale (NOS). Data necessary for the study were extracted as effect size as needed, and meta-analysis was conducted using Review Manager 5.4 software and Stata 16 software to calculate the combined odds ratio and its 95% confidence interval. The relevant data were analyzed, and publication bias was evaluated. Results: After conducting a meta-analysis of the 9 final included articles, the heterogeneity test showed chi2 = 10.7, df = 8 (P = .22), I2 = 25%. Therefore, a fixed-effect model was used for analysis. The combined odds ratio (OR) for the risk of stroke in migraine patients compared to non-migraine patients was 2.04, with a 95% confidence interval [1.73, 2.4], which was statistically significant. In the analysis of migraine with aura, the respective ORs were 2.32 with a 95% CI of [1.70–3.18] and 1.77 with a 95% CI of [1.34–2.33]. Subgroup analysis of female migraine patients and young migraine patients showed statistically…
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