Systematic review and meta-analysis of the use of phosphodiesterase type 5 inhibitors for treatment of erectile dysfunction following bilateral nerve-sparing radical prostatectomy.

PLoS One · 2014 · PMC3949994 · PMID 24618671

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showed a trendno p-value reported

We pooled the MD of IIEF for various treatment duration and showed a trend of more responsiveness to PDE5-I with longer treatment duration, but no statistical significance could be obtained (F = 1.28, p = 0.28).

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