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  • Title: [Correlation of lower urinary tract symptoms with erectile dysfunction in men aged 50 years and above].
    Author: Wang Y, Sun GF, He LJ, Meng J, Wu SL, Xiao YX, Li XS, Na YQ.
    Journal: Zhonghua Nan Ke Xue; 2008 Jun; 14(6):517-20. PubMed ID: 18649749.
    Abstract:
    OBJECTIVE: To investigate the incidence of lower urinary tract symptoms (LUTS) and erectile dysfunction (ED) in men aged > or = 50 years and to achieve the correlation between LUTS (obstructive symptoms and stimulant symptoms) and ED. METHODS: We investigated 245 men aged > or = 50 years and with regular sex mates using International Prostate Symptom Score (IPSS) and International Index of Erectile Function-5 (IIEF-5), designed diagnostic interrogation and medical examination, and statistically analyzed the results of IPSS, IIEF-5, LUTS and their correlation with erectile function. RESULTS: The incidence of ED was 81.9% (140/171) among the men with LUTS, 73.1% (38/52), 82.1% (46/56) and 88.9% (56/63) respectively in the 50-59, 60-69 and > or = 70 age groups, with significant differences in IPSS, IIEF-5 (P < 0.01) and the severity of ED (P < 0.01) among different age groups. ED incidence was found significantly correlated with the severity of LUTS (r = 0.52, P < 0.01), 71.3% (57/80), 89.6% (60/67) and 95.8% (23/24) respectively in the groups of mild, moderate and severe LUTS. The mean scores on obstructive and stimulant symptoms were (3.1 +/- 3.6) and (6.8 +/- 4.9), and their correlation coefficients with IIEF-5 were r = -0.41 (P < 0.01) and r = -0.59 (P < 0.01), respectively. CONCLUSION: The incidence of ED is high in men with LUTS and positively correlated with the severity of LUTS. Stimulant symptoms have greater influence than obstructive symptoms on the sexual life of old and middle-aged males.
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