Association between herpes zoster and Parkinson's disease and dementia: a systematic review and meta-analysis.

Front Neurol · 2024 · PMC11655326 · PMID 39703359

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did not reach statistical significanceno p-value reported

In a subgroup analysis of dementia types, herpes zoster was found to significantly increase the risk of vascular dementia, while the effect on Alzheimer’s disease, although showing an upward trend, did not reach statistical significance.

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a positive trendno p-value reported

Regarding dementia, our comprehensive analysis results showed that although a positive trend was observed between herpes zoster and dementia, this association lacked statistical significance.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.