Advantages of imaging photoplethysmography for migraine modeling: new optical markers of trigemino-vascular activation in rats.

J Headache Pain · 2021 · PMC8015037 · PMID 33794769

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borderline significanceno p-value reported

However, hardly the revealed changes with a borderline significance level (p = 0.045 / 0.049) are essential from a physiological point of view.

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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.