Effects of obesity on lower urinary tract symptoms in Korean BPH patients

Seung Hwan Lee, Joon Chul Kim, Ji Youl Lee, Jang Hwan Kim, Cheol Young Oh, Seung Wook Lee, Se Jeong Yoo, Byung Ha Chung

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34 Citations (Scopus)


We analyzed the effects of obesity on lower urinary tract symptoms (LUTSs) in Korean benign prostatic hyperplasia (BPH) patients. This is a multicenter, cross-sectional, prospective study conducted in four centers in Korea. A total of 602 men with LUTSs secondary to BPH were included. BPH/LUTSs cases were men aged ≥ 40 years with international prostate symptom scores (IPSS) ≥ 8 points. Height, weight and waist circumference were measured. Among the 602 patients, 156 patients had a waist circumference above 90 cm, representing central obesity, and 215 patients had a body mass index above 25 kg m-2. Waist circumference was positively correlated with prostate volume (P = 0.034). Men with waist circumference > 90 cm experienced a 1.36-fold increased risk of severe LUTSs (95% CI 0.82-2.41) compared with men with waist circumference ≤ 90 cm. Prostate volume was positively correlated with urgency and nocturia in men with central obesity. In this population of Korean men diagnosed with BPH, central obesity rather than overall obesity seems to be the more important predictor of LUTSs correlated with BPH.

Original languageEnglish
Pages (from-to)663-668
Number of pages6
JournalAsian Journal of Andrology
Issue number6
Publication statusPublished - 2009

All Science Journal Classification (ASJC) codes

  • Urology


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