Role of memantine in adult migraine: a systematic review and network meta-analysis to compare memantine with existing migraine preventive medications.

Front Pharmacol · 2024 · PMC11688350 · PMID 39744133

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may not be significantno p-value reported

I 2 values of less than 50% indicate that the heterogeneity may not be significant; a value higher than 50% may represent substantial heterogeneity.

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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.