Effect of the Severity of Chronic Prostatitis Symptoms on Premature Ejaculation among Korean Males in Their 40-50s

Sung Bin Kim; Yoo Seok Kim; In-Chang Cho; Seung Ki Min

doi:10.14777/kjutii.2013.8.1.32

Journal List > Korean J Urogenit Tract Infect Inflamm > v.8(1) > 1059924

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Kim, Kim, Cho, and Min: Effect of the Severity of Chronic Prostatitis Symptoms on Premature Ejaculation among Korean Males in Their 40-50s

Original Article

Korean J Urogenit Tract Infect Inflamm 2013;8(1):32-37.

Published online: 17 April 2013

DOI: https://doi.org/10.14777/kjutii.2013.8.1.32

Effect of the Severity of Chronic Prostatitis Symptoms on Premature Ejaculation among Korean Males in Their 40-50s

Sung Bin Kim, Yoo Seok Kim, In-Chang Cho, Seung Ki Min

Department of Urology, National Police Hospital, Seoul, Korea

Correspondence to: Seung Ki Min, Department of Urology, National Police Hospital, 123, Songi-ro, Songpa-gu, Seoul 138-708, Korea Tel: +82-2-3400-1263, Fax: +82-2-431-3192 E-mail: msk0701@hanmail.net

No potential conflict of interest relevant to this article was reported.

Received 8 March 2013 Revised 14 April 2013 Accepted 15 April 2013

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purpose

The purpose of this study was to analyze the effect of the severity of chronic prostatitis symptoms on premature ejaculation among Korean males in their 40-50s.

Materials and Methods

From September 2011 to December 2012, we conducted a survey targeting 319 Koreans who had undergone medical examinations in our institution, using National Institute of Health chronic prostatitis symptom index (NIH-CPSI) and premature ejaculation diagnostic tool (PEDT).

Results

The average age of 319 volunteers was 50.8 years (40-59), the average total NIH-CPSI score was 8.6±6.2. And total PEDT score was 7.7±5.0. Twenty eight persons had chronic prostatitis-like symptoms (8.8%). Statistically significant differences in the prevalence of premature ejaculation were observed between persons with chronic prostatitis-like symptoms (82%) and those without (37.5%). In the same manner, the prevalence of premature ejaculation was higher in the moderate and severe symptom groups than in the mild symptom groups according to the symptom scale score (pain plus voiding score) and total score of NIH-CPSI (mild: 38.2%, moderate/severe: 59.6% by symptom scale score and mild: 36.7%, moderate/severe: 65.4% by total score). In univariate and multivariate analyses, presence or absence of chronic prostatitis-like symptoms and classification according to total NIH-CPSI score were independent predictive factors for the prevalence of premature ejaculation on PEDT.

Conclusions

Significant statistical relationships were observed between NIH-CPSI and PEDT in Korean males in their 40-50s who have chronic prostatitis-like symptoms or were classified into moderate and severe symptom groups according to total NIH-CPSI score.

Keywords: Prostatitis, Premature ejaculation, Questionnaires

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Fig. 1.

Prevalence of chronic prostatitis-like symptom in whole patients and prevalence of chronic prostatitis according to symptom scale score and total score of National Institute of Health chronic prostatitis symptom index.

Fig. 2.

Prevalence of premature ejaculation according to PEDT score. PE: premature ejaculation, PEDT: premature ejaculation diagnostic tool.

Table 1.

Baseline characteristics of the study population (n=319)

Variable	Average
Age (y)	50.8±4.6
NIH-CPSI
Pain	2.2±3.1
Voiding	2.7±2.2
QOL	3.7±2.3
Total	8.6±6.2
PEDT	7.7±5.0

Values are presented as mean±standard deviation. NIH-CPSI: National Institute of Health chronic prostatitis symptom index, QOL: quality of life, PEDT: premature ejaculation diagnostic tool.

Table 2.

Mean PEDT total score and prevalence of probable premature ejaculation and premature ejaculation by chronic prostatitis like symptom NIH-CPSI symptom scale score, NIH-CPSI total score and age

	Prostatitis-like symptom		NIH-CPSI symptom scale score		NIH-CPSI total score		Age
	Presence	Absence	Mild	Moderate/ severe	Mild	Moderate/ severe	50<	50≥
Mean PEDT total score	12.4±3.9	7.3±4.8	7.3±4.8	10.2±5.2	7.2±4.8	10.6±5.0	7.4±4.8	8.1±5.2
p-value	0.001		0.001		0.001		0.167
Probable PE/PE	82	37.5	38.2	59.6	36.7	65.4	38.9	44.1
p-value	0.001		0.007		0.001		0.365

Values are presented as mean±standard deviation or %. PEDT: premature ejaculation diagnostic tool, NIH-CPSI: National Institute of Health chronic prostatitis symptom index, PE: premature ejaculation

Table 3.

Univariate and multivariate analyses for prediction of probable premature ejaculation and premature ejaculation

Variable	Univariate			Multivariate
Variable	OR	95% CI	p-value	OR	95% CI	p-value
Prostatitis-like symptom (absence^a vs. presence)	7.681	2.837-20.791	0.000	5.369	1.775-16.245	0.003
NIH-CPSI symptom scale score (mild^a vs. moderate/severe)	2.381	1.266-4.478	0.007	0.149	0.017-1.307	0.086
NIH-CPSI total score (mild^a vs. moderate/severe)	3.388	1.821-6.303	0.000	10.180	1.227-84.436	0.032
Age	1.237	0.792-1.933	0.351	1.203	0.750-1.930	0.442

OR: odds ratio, CI: confidence interval, NIH-CPSI: National Institute of Health chronic prostatitis symptom index.

^a Reference value.

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