The effect of two different hand exercises on grip strength, forearm circumference, and vascular maturation in patients who underwent arteriovenous fistula surgery.

Ann Rehabil Med · 2014 · PMC4221393 · PMID 25379494

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failed to reach statistical significanceno p-value reported

Another possible explanation for why the results failed to reach statistical significance is the short exercise period.

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did not reach statistical significanceno p-value reported

The reason why the results did not reach statistical significance in spite of a big difference in the mean values was presumably a large standard deviation [ 30 ].

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