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, Chunlin Wang, MD Department of Infertility and Sexual Medicine, The Third Affiliated Hospital of Sun Yat-sen University , Guangzhou 510630 , China Department of Systems Medicine, University of Rome Tor Vergata , Rome 00133 , Italy Search for other works by this author on: Oxford Academic Elena Colonnello, MD Department of Systems Medicine, University of Rome Tor Vergata , Rome 00133 , Italy Search for other works by this author on: Oxford Academic Andrea Sansone, MD, PhD Department of Systems Medicine, University of Rome Tor Vergata , Rome 00133 , Italy Search for other works by this author on: Oxford Academic Hui Zhang, MD, PhD Department of Systems Medicine, University of Rome Tor Vergata , Rome 00133 , Italy Search for other works by this author on: Oxford Academic Dake Zhu, MD Department of Systems Medicine, University of Rome Tor Vergata , Rome 00133 , Italy Search for other works by this author on: Oxford Academic Emmanuele A Jannini, MD Department of Systems Medicine, University of Rome Tor Vergata , Rome 00133 , Italy Corresponding authors: Department of Infertility and Sexual medicine, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China. Email: zhxml@sina.com; and Department of Systems Medicine, University of Rome Tor Vergata, Rome, 00133, Italy. Email: eajannini@gmail.com Search for other works by this author on: Oxford Academic Yan Zhang, MD Department of Infertility and Sexual Medicine, The Third Affiliated Hospital of Sun Yat-sen University , Guangzhou 510630 , China Corresponding authors: Department of Infertility and Sexual medicine, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China. Email: zhxml@sina.com; and Department of Systems Medicine, University of Rome Tor Vergata, Rome, 00133, Italy. Email: eajannini@gmail.com Search for other works by this author on: Oxford Academic
https://orcid.org/0000-0002-0081-7163 The Journal of Sexual Medicine, Volume 21, Issue 12, December 2024, Pages 1137–1143, https://doi.org/10.1093/jsxmed/qdae127
Published:
20 September 2024
Article history
Received:
17 June 2024
Revision received:
18 August 2024
Accepted:
04 September 2024
Published:
20 September 2024
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Chunlin Wang, Elena Colonnello, Andrea Sansone, Hui Zhang, Dake Zhu, Emmanuele A Jannini, Yan Zhang, Perception of normal and treatment level ejaculatory latency times in men with premature ejaculation, The Journal of Sexual Medicine, Volume 21, Issue 12, December 2024, Pages 1137–1143, https://doi.org/10.1093/jsxmed/qdae127
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Abstract
Background
Although the normal intravaginal ejaculation latency time (NIELT) as subjectively perceived by patients with premature ejaculation (PE) and expected IELT (EIELT), which represents the individual’s expectations of what treatment for PE would achieve, are critically influential in the treatment of patients with PE, there is a significant dearth of exploratory research on NIELT and EIELT among patients with PE.
Aim
To explore the NIELT and EIELT of patients with PE, understand why patients with PE perceive such a long IELT as normal, and identify factors associated with EIELT.
Methods
We recruited both patients with PE and control subjects, and analyzed the parameters related to IELT using detailed interviews and questionnaires.
Outcomes
Parameters related to IELT.
Results
A total of 592 individuals (mean age 29.6 ± 6.2) were included in the study, comprising 466 patients with PE (mean age 28.3 ± 5.4) and 126 non-PE individuals (mean age 34.6 ± 6.5). The actual perceived intravaginal ejaculation latency time (PIELT), referring to the patient’s self-assessed IELT at baseline, as well as NIELT, and EIELT of patients with PE, were 1.0 (1.0 − 2.0), 14.0 (10.0 − 15.0), and 15.0 (10.0 − 20.0), respectively. The control group’s PIELT and EIELT were 15.0 (10.0 − 20.0) and 20.0 (15.0 − 24.3), respectively, showing statistical differences compared with the PIELT and EIELT in the PE group. In the PE group and the control group, 31.5% and 57.9% of individuals, respectively, have an EIELT greater than the average actual normal ejaculatory latency time of 15.0minutes. Among patients with PE, 51.3% expressed a NIELT >10minutes, identical to the EIELT in a higher percentage (59.4%). The control group’s EIELT is 5minutes longer than the PE group’s EIELT. Multivariable linear regression analysis showed that age, marital status, education level, BMI, satisfaction evaluation of PIELT, PEDT score, and IIEF-6 score were not associated with EIELT; only NIELT (beta = 0.817, P < 0.001) and PIELT (beta = 0.056, P = 0.044) were related to EIELT.
Clinical implications
Sexual health care providers should be aware that patients with PE have excessively high expectations for IELT.
Strengths and limitation
The first study explores why patients with clinically diagnosed PE perceive long IELT as normal and examines factors associated with EIELT. Further validation is needed in different cultural contexts.
Conclusion
Patients with PE often have excessively high expectations regarding IELT, primarily due to their insufficient understanding of IELT.
premature ejaculation, subjectively perceived normal intravaginal ejaculation latency time, expected intravaginal ejaculation latency time
© The Author(s) 2024. Published by Oxford University Press on behalf of The International Society for Sexual Medicine. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com
This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://academic.oup.com/pages/standard-publication-reuse-rights)
Issue Section:
Ejaculatory Function
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