It’s Not All in Your Head: Researchers Conduct First Large Study Defining Premature Ejaculation by Stopwatch & Patient Reported Outcomes

? Ita’s not all in your head: researchers conduct first large study defines premature ejaculation by stopwatch & Patient reported outcomes


In a four-week study of 1587 men, researchers report that men who suffer from premature ejaculation (PE) had an average intravaginal ejaculatory latency time (IELT) of 1.8 minutes, compared to 7.3 minutes in men who have not. Men with PE and their female partners also had notice of personal distress, interpersonal difficulties with their partner, lack of control over ejaculation and dissatisfaction sex.

scientific study, published in the May issue of the Journal of Sexual Medicine, is the first major epidemiological study to identify populations of patients with (207) and without (1380) premature ejaculation by measuring the time average ejaculation with stopwatches. This average, or IELT, is defined as the time between the start of vaginal intromission and the start of intravaginal ejaculation.

This study is also one of the first data sets to address the concerns of female partners. The two members of the couples studied were asked to report on a variety of subjective factors. Significant overlap in IELT was observed between the groups who suffered from PE and others. Thus, the study data suggest IELT may not be sufficient to diagnose PE, and subjective factors, such as lack of control, may also be valid indicators.

Â? Most people think about the one-dimensional in terms of equity be considered as a disorder of time, â? statesStanley E. Althof, Ph.D., corresponding author of the study. Â? This article demonstrates that subjective factors like sense of control, distress and sexual satisfaction must be considered when treating this widespread disorder.Â?

PE is the most common male sexual dysfunction affecting men and their partners. However, available data suggest that only 12.1% of men self-reporting receive treatment for their dysfunction. According to the Journal of Sexual Medicine editor Irwin Goldstein, most physicians do not inquire about the existence of premature ejaculation when the patient has other sexual complaints or when the partner has orgasmic dysfunction. As seen in this study, premature ejaculation adversely affects sexual satisfaction, and distress of partners is a common motivation for afflicted men to seek treatment.

This study is published in The Journal of Sexual Medicine. Media wishing to receive a PDF of the article please contact

Stanley E. Althof, Ph.D. is a professor of psychology at the department of urology at Case Western Reserve University School of Medicine inCleveland, Ohio and President of the International Society for the Study of womena? Sexual Health (ISSWSH). Dr. Althof is available for questions and interviews and can be reached at or (561) 822-5458.

About the Journal of Sexual Medicine

The Journal of Sexual Medicine is the official journal of the International Society for Sexual Medicine and its five regional affiliates. The aim of the journal is to publish multidisciplinary basic science and clinical research to define and understand the scientific basis of male and female sexual function and dysfunction. For more information about The Journal of Sexual Medicine, please visit

About the International Society for Sexual Medicine

The International Society for Sexual Medicine (ISSM) was founded in 1982 to promote research and knowledge exchange for the entity “impotence” clinic for the entire international scientific community. The company has over 2000 members worldwide, with five regional societies that are affiliated with RSSI: Africa Gulf Society for Sexual Medicine, Asia Pacific Society for Sexual Medicine, European Society for Sexual Medicine, Latin American Society of Impotence and Sexuality Research, and Sexual Medicine Society of North America.



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