Short-term efficacy and safety of low-intensity extracorporeal shock wave therapy in erectile dysfunction: a systematic review and meta-analysis.

In subgroup analysis, as seen in Figures 3 and 4 , it was showed that in EHS 9-week protocol with energy density of 0.09mJ/mm 2 and 1500 pluses (RR: 22.59; 95% CI: 4.65-109.79) was probably more effective than 5-week protocol with energy density of 0.15mJ/mm 2 and 3000 pulses (RR: 6.14; 95% CI: 2.58-14.64) based on possibly substantial between-group heterogeneity, although the difference did not reach statistical significance.

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