The effect of exercise training modality on serum brain derived neurotrophic factor levels in individuals with type 2 diabetes.

PLoS One · 2012 · PMC3412800 · PMID 22880108

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approached significanceno p-value reported

However, the trend for lower serum BDNF levels across quartiles of treadmill test duration approached significance (p-trend = 0.06).

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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.