Effect of intravaginal vibratory versus electric stimulation on the pelvic floor muscles: A randomized clinical trial.

Eur J Obstet Gynecol Reprod Biol X · 2019 · PMC6687376 · PMID 31403114

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failed to reach statistical significanceno p-value reported

Some findings probably failed to reach statistical significance because the sample size was relative small for some comparisons (type II error).

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