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Updated: Jul 9, 2026

Isolation and Flow Cytometric Analysis of Immune Cells from the Ischemic Mouse Brain
Published on: February 12, 2016
Association between interleukin-6 levels and stroke: a systematic review and meta-analysis
Xinyi Huang1, Manman Zhang1, Jiaojiao Wang1
1School of Public Health, Bengbu Medical University, Bengbu, China.
Objectives:
We aimed to evaluate the association of interleukin-6 (IL-6) expression levels with stroke.
Methods:
According to the set search strategy, we systematically screened relevant studies using PubMed and extracted study results regarding IL-6 from the literature for comprehensive quantitative analysis to explore the relationship between IL-6 level and stroke risk.
Results:
This study included 15 publications with a total of 1696 participants, with 975 cases in the case group and 721 cases in the control group. Meta-analysis showed that IL-6 levels were significantly higher in the stroke population than those in the control group (standardized mean difference = 1.22, 95% confidence interval = 0.79-1.64). Subgroup analysis showed that there was no significant difference in heterogeneity for IL-6 detection methods between the two groups (I2 = 0, P = 0.47). The difference in heterogeneity test results regarding geographic region was statistically significant (I2 = 89.7%, P < 0.01). The results of heterogeneity testing for mean participant age were also statistically significant (I2 = 84.3%, P = 0.01).
Conclusion:
The present study results showed that IL-6 may be significantly associated with stroke development.
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