Comparison of Prevalence Between Self-Reported Erectile Dysfunction and Erectile Dysfunction as Defined by Five-Item International Index of Erectile Function in Taiwanese Men Older than 40 Years

Chi Ju Wu, Ju Ton Hsieh, Johnny Shinn Nan Lin, Yi-Sheng Huang, Bang Ping Jiann, Shih Tsung Huang, Chii Jye Wang, Shang Sen Lee, Han-Sun Chiang, Kuang Kuo Chen, Hong Da Lin

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Abstract

Objectives: To conduct a cohort study in men older than 40 years in Taiwan to evaluate the prevalence of erectile dysfunction (ED) by self-report and the use of the abridged, five-item version of the International Index of Erectile Function (IIEF-5). Methods: From July to August 2003, 990 Taiwanese men older than 40 years of age completed a telephone survey designed to assess ED prevalence and sexual functioning. ED was identified through respondent self-report and investigator assessment using the IIEF-5 instrument. Data were analyzed using the analysis of variance test, t test, and chi-square test, with Yates' correction or Fisher's method. Results: The prevalence of self-reported ED was 13.1%, with 26.2% of this subgroup subsequently deemed to not have ED by IIEF-5 assessment. Among the subgroup of men self-reported to not have ED, 18.8% were found to have ED by IIEF-5 assessment. In total, 26.0% of respondents had ED by IIEF-5 assessment. The ED prevalence increased with age and a history of chronic illness. The frequency of sexual contact and sexual satisfaction were also reduced in the respondents with ED. Conclusions: The prevalence of self-reported ED in Taiwanese men older than 40 years of age was 13.1% compared with 26.0% using the IIEF-5 assessment. Estimates of ED prevalence in the general population should not rely on self-reporting alone because it is likely to underestimate the true prevalence of ED.

Original languageEnglish
Pages (from-to)743-747
Number of pages5
JournalUrology
Volume69
Issue number4
DOIs
Publication statusPublished - Apr 2007

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Erectile Dysfunction
Self Report
Orgasm
Chi-Square Distribution
Taiwan
Telephone
Analysis of Variance
Chronic Disease
Cohort Studies
Research Personnel

ASJC Scopus subject areas

  • Urology

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Comparison of Prevalence Between Self-Reported Erectile Dysfunction and Erectile Dysfunction as Defined by Five-Item International Index of Erectile Function in Taiwanese Men Older than 40 Years. / Wu, Chi Ju; Hsieh, Ju Ton; Lin, Johnny Shinn Nan; Huang, Yi-Sheng; Jiann, Bang Ping; Huang, Shih Tsung; Wang, Chii Jye; Lee, Shang Sen; Chiang, Han-Sun; Chen, Kuang Kuo; Lin, Hong Da.

In: Urology, Vol. 69, No. 4, 04.2007, p. 743-747.

Research output: Contribution to journalArticle

Wu, Chi Ju ; Hsieh, Ju Ton ; Lin, Johnny Shinn Nan ; Huang, Yi-Sheng ; Jiann, Bang Ping ; Huang, Shih Tsung ; Wang, Chii Jye ; Lee, Shang Sen ; Chiang, Han-Sun ; Chen, Kuang Kuo ; Lin, Hong Da. / Comparison of Prevalence Between Self-Reported Erectile Dysfunction and Erectile Dysfunction as Defined by Five-Item International Index of Erectile Function in Taiwanese Men Older than 40 Years. In: Urology. 2007 ; Vol. 69, No. 4. pp. 743-747.
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abstract = "Objectives: To conduct a cohort study in men older than 40 years in Taiwan to evaluate the prevalence of erectile dysfunction (ED) by self-report and the use of the abridged, five-item version of the International Index of Erectile Function (IIEF-5). Methods: From July to August 2003, 990 Taiwanese men older than 40 years of age completed a telephone survey designed to assess ED prevalence and sexual functioning. ED was identified through respondent self-report and investigator assessment using the IIEF-5 instrument. Data were analyzed using the analysis of variance test, t test, and chi-square test, with Yates' correction or Fisher's method. Results: The prevalence of self-reported ED was 13.1{\%}, with 26.2{\%} of this subgroup subsequently deemed to not have ED by IIEF-5 assessment. Among the subgroup of men self-reported to not have ED, 18.8{\%} were found to have ED by IIEF-5 assessment. In total, 26.0{\%} of respondents had ED by IIEF-5 assessment. The ED prevalence increased with age and a history of chronic illness. The frequency of sexual contact and sexual satisfaction were also reduced in the respondents with ED. Conclusions: The prevalence of self-reported ED in Taiwanese men older than 40 years of age was 13.1{\%} compared with 26.0{\%} using the IIEF-5 assessment. Estimates of ED prevalence in the general population should not rely on self-reporting alone because it is likely to underestimate the true prevalence of ED.",
author = "Wu, {Chi Ju} and Hsieh, {Ju Ton} and Lin, {Johnny Shinn Nan} and Yi-Sheng Huang and Jiann, {Bang Ping} and Huang, {Shih Tsung} and Wang, {Chii Jye} and Lee, {Shang Sen} and Han-Sun Chiang and Chen, {Kuang Kuo} and Lin, {Hong Da}",
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T1 - Comparison of Prevalence Between Self-Reported Erectile Dysfunction and Erectile Dysfunction as Defined by Five-Item International Index of Erectile Function in Taiwanese Men Older than 40 Years

AU - Wu, Chi Ju

AU - Hsieh, Ju Ton

AU - Lin, Johnny Shinn Nan

AU - Huang, Yi-Sheng

AU - Jiann, Bang Ping

AU - Huang, Shih Tsung

AU - Wang, Chii Jye

AU - Lee, Shang Sen

AU - Chiang, Han-Sun

AU - Chen, Kuang Kuo

AU - Lin, Hong Da

PY - 2007/4

Y1 - 2007/4

N2 - Objectives: To conduct a cohort study in men older than 40 years in Taiwan to evaluate the prevalence of erectile dysfunction (ED) by self-report and the use of the abridged, five-item version of the International Index of Erectile Function (IIEF-5). Methods: From July to August 2003, 990 Taiwanese men older than 40 years of age completed a telephone survey designed to assess ED prevalence and sexual functioning. ED was identified through respondent self-report and investigator assessment using the IIEF-5 instrument. Data were analyzed using the analysis of variance test, t test, and chi-square test, with Yates' correction or Fisher's method. Results: The prevalence of self-reported ED was 13.1%, with 26.2% of this subgroup subsequently deemed to not have ED by IIEF-5 assessment. Among the subgroup of men self-reported to not have ED, 18.8% were found to have ED by IIEF-5 assessment. In total, 26.0% of respondents had ED by IIEF-5 assessment. The ED prevalence increased with age and a history of chronic illness. The frequency of sexual contact and sexual satisfaction were also reduced in the respondents with ED. Conclusions: The prevalence of self-reported ED in Taiwanese men older than 40 years of age was 13.1% compared with 26.0% using the IIEF-5 assessment. Estimates of ED prevalence in the general population should not rely on self-reporting alone because it is likely to underestimate the true prevalence of ED.

AB - Objectives: To conduct a cohort study in men older than 40 years in Taiwan to evaluate the prevalence of erectile dysfunction (ED) by self-report and the use of the abridged, five-item version of the International Index of Erectile Function (IIEF-5). Methods: From July to August 2003, 990 Taiwanese men older than 40 years of age completed a telephone survey designed to assess ED prevalence and sexual functioning. ED was identified through respondent self-report and investigator assessment using the IIEF-5 instrument. Data were analyzed using the analysis of variance test, t test, and chi-square test, with Yates' correction or Fisher's method. Results: The prevalence of self-reported ED was 13.1%, with 26.2% of this subgroup subsequently deemed to not have ED by IIEF-5 assessment. Among the subgroup of men self-reported to not have ED, 18.8% were found to have ED by IIEF-5 assessment. In total, 26.0% of respondents had ED by IIEF-5 assessment. The ED prevalence increased with age and a history of chronic illness. The frequency of sexual contact and sexual satisfaction were also reduced in the respondents with ED. Conclusions: The prevalence of self-reported ED in Taiwanese men older than 40 years of age was 13.1% compared with 26.0% using the IIEF-5 assessment. Estimates of ED prevalence in the general population should not rely on self-reporting alone because it is likely to underestimate the true prevalence of ED.

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