The role of prolactin levels in the sexual activity of married men with erectile dysfunction

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Paick, Jae-Seung; Yang, Ji Hyun; Kim, Soo Woong; Ku, Ja Hyeon
Issue Date
Blackwell Publishing
BJU Int 2006; 98:1269-73
erectile dysfunctionsexual activityanthropometryprolactin
OBJECTIVE: To evaluate the effects of risk factors for erectile dysfunction (ED) including anthropometry, hormones, metabolic profiles and lifestyle, on sexual activity in married men with ED. PATIENTS AND METHODS: The study included 261 men (mean age 53.7 years, range 23-80), who were evaluated for anthropometry, hormone levels, metabolic profiles and lifestyle factors. Erectile function was evaluated using the self-administered International Index of Erectile Function. Patients were classified into two groups based on the six-item erectile-function domain, as those with sexual activity and those without. RESULTS: Of all patients, 62.5% (163 of 261) had no sexual activity (erectile-function domain score <6). There was a significant difference in mean (sem) prolactin level between patients with and with no sexual activity, at 4.8 (0.4) vs 6.8 (0.7) (P = 0.013). Of all patients, 73.7% (42 of 57) with diabetes had no sexual activity, while 59.3% (121 of 204) without diabetes had (P = 0.048). In a multivariate model, a higher prolactin level was associated with a greater likelihood of sexual inactivity (odds ratio 1.094; 95% confidence interval, 1.010-1.185; P = 0.028) but diabetes lost its statistical significance. The area under the receiver-operating characteristic curve for prolactin was 60.5% (95% confidence interval, 52.9-68.1%; P = 0.009) for sexual inactivity. No other factors were significant in this regard. CONCLUSION: Our findings suggest that prolactin levels might play a role in sexual activity in men with ED.
1464-4096 (Print)
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College of Medicine/School of Medicine (의과대학/대학원)Urology (비뇨기과학전공)Journal Papers (저널논문_비뇨기과학전공)
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