Comparison of self-report and objective measures of male sexual dysfunction in a Japanese primary care setting: a cross-sectional, self-administered mixed methods survey.

In a Japanese primary care setting, the majority of participating male patients met ED criteria on an internationally validated measure, namely, the five-item version of the International Index of Erectile Function, but many were not aware of their ED. Misperceptions, lack of knowledge and personal factors are barriers to treatment. The mixed methods findings suggest misperceptions and personal attributes reinforce or attenuate awareness, preference for treatment and barriers to access. We conclude PCPs should routinely inquire about sexual dysfunction of men at risk and offer treatment to men who would benefit.