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  • Title: An investigation of the relationship between sex-steroid levels and urological symptoms: results from the Boston Area Community Health survey.
    Author: Litman HJ, Bhasin S, O'Leary MP, Link CL, McKinlay JB, BACH Survey Investigators.
    Journal: BJU Int; 2007 Aug; 100(2):321-6. PubMed ID: 17506868.
    Abstract:
    OBJECTIVES: To investigate whether circulating levels of sex hormones are associated with urological symptoms, using data from the Boston Area Community Health (BACH) Survey. SUBJECTS AND METHODS: BACH used a multistage stratified-cluster approach to randomly sample 5506 adults aged 30-79 years in Boston, MA, USA. Anthropometric measures, lifestyle and psychosocial factors, comorbidities and urological symptoms were obtained using a questionnaire administered by an interviewer. Serum testosterone, sex hormone-binding globulin (SHBG), dehydroepiandrosterone sulphate (DHEAS), dihydrotestosterone (DHT) and oestradiol (E2) levels were measured, and bioavailable testosterone (BT) was calculated in 1899 men (538 Black, 651 Hispanic and 710 White). Regression analysis was used to investigate the relationships between androgen levels and American Urological Association symptom index (AUA-SI), lower urinary tract symptoms (LUTS) (> or = 8 on the AUA-SI), urinary incontinence (UI), dribble and hesitancy. RESULTS: Of all subjects, 19% reported LUTS, 6% UI, 9% dribble and 4% hesitancy. Testosterone, BT and DHEAS levels were inversely related to the AUA-SI (P = 0.009, <0.001 and <0.001, respectively); SHBG values and the AUA-SI were positively correlated (P < 0.001). Adjusting for age, BT and DHEAS levels had negative relationships with the AUA-SI; BT and DHEAS levels were negatively related to LUTS and SHBG was positively related to LUTS (both P < 0.001); after age adjustment, only LUTS and DHEAS remained related, and only the relationship between dribble and E2 remained significant; no hormone levels were related to hesitancy. CONCLUSIONS: Circulating levels of sex hormones are generally not significant predictors of urological symptoms in men after adjusting for age. The pathophysiology of LUTS is complex and probably includes factors other than circulating sex steroid levels.
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