I fastdosisundersøgelserne var den del af patienterne, som rapporterede, at behandlingen forbedrede deres erektioner 62% (25 mg), 74% (50 mg) og 82% (100 mg) sammenlignet med 25% på placebo.
In the fixed-dose studies, the proportions of patients reporting that treatment improved their erections were 62% (25 mg), 74% (50 mg) and 82% (100 mg), compared with 25% on placebo.