Neuromodulation techniques for acute and preventive migraine treatment: a systematic review and meta-analysis of randomized controlled trials.

J Headache Pain · 2020 · PMC7726868 · PMID 33302882

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

nearly significantno p-value reported

Among them, one moderate-quality study was positive and was tested as an add-on therapy [ 29 ], whereas the other high-quality-study tested TENS alone, showing a nearly significant result and becoming significant when baseline migraine days were considered as a covariate [ 30 , 31 ].

also in 3,287 other papers

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.