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Zhonghua Nan Ke Xue. 2005 Jul;11(7):505-7.

[Evaluation of sexual function in men with symptomatic benign prostatic hyperplasia].

[Article in Chinese]

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  • 1Department of Urology, Beijing Friendship Hospital, Capital University of Medicine, Beijing 100050, China.



To evaluate the degree of sexual dysfunction in an unselected population of men with benign prostatic hyperplasia (BPH) accompanied by lower urinary tract symptoms (LUTS), and to assess the correlation between sexual dysfunction and urinary symptoms and age.


A total of 88 men with symptomatic BPH were investigated using the International Prostate Symptom Score (IPSS), International Index of Erectile Function-5 (IIEF-5), Brief Sexual Function Inventory (BSFI), and the measurement of urinary flow rate, the total prostatic volume and serum testosterone. Regression analysis was used to determine the correlation among the variables.


The mean age of the patients was (67.90 +/- 7.59) years, the mean IPSS score was (18.4 +/- 7. 79), and the mean IIEF-5 was (8.50 +/- 8.98). There were 76 cases of erectile dysfunction (86.36%). Among the BSFI scores, the mean sexual drive score was (1.92 +/- 2.21), the mean erectile function score was (4.18 +/- 4.96), the mean ejaculation score was (2.55 +/- 3.57), the mean problem assessment score was (10.44 +/- 3.57), and the mean overall satisfaction score was (1.90 +/- 1.37). Among the 88 cases, 65 (72.86%) had poor sexual drive, 70 (79.55%) erectile dysfunction, and 60 (68.18%) poor ejaculation. There was statistically significant correlation between age and sexual symptom scores for erection (gamma = -0.552, P = 0.000), IIEF-5 scores (gamma = - 0.567, P = 0.000), and IPSS (gamma = 0.213, P = 0.047) as well as between IPSS and sexual symptom scores for erection and overall satisfaction (gamma = -0.332, P = 0.002 and gamma = -0.302, P = 0.005). IIEF-5 scores were significantly correlated with sexual symptom scores for each of the three categories (sexual drive, erection and ejaculation) (P < 0.05). Serum testosterone did not correlate to age, IIEF-5 scores and sexual function (P > 0.05), nor did peak urinary flow rate and total prostatic volume to IPSS, IIEF-5 scores and sexual function (P > 0.05).


Results of this study suggest that age and LUTS are risk factors of sexual function, and sexual dysfunction is closely related to the severity of LUTS.

[PubMed - indexed for MEDLINE]
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