Figure 3: Sensory threshold in PE without ED and PE with ED group. Sensory threshold of (a) warm, (b) cold, and (c) vibration in each location. The dot indicates the median and the whiskers indicate lower and upper quartile. *P < 0.1, #P < 0.05 (Wilcoxon rank_sum test, comparison between PE without and with ED group). PE: premature ejaculation; ED: erectile dysfunction.