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Relationship among diet habit and lower urinary tract symptoms and sexual function in outpatient-based males with LUTS/BPH: a multiregional and cross-sectional study in China
  1. Yuke Chen1,
  2. Wei Yu1,
  3. Liqun Zhou1,
  4. Shiliang Wu1,
  5. Yang Yang1,
  6. Jianye Wang2,
  7. Ye Tian3,
  8. Dalin He4,
  9. Yong Xu5,
  10. Jian Huang6,
  11. Xiaofeng Wang7,
  12. Xin Gao8,
  13. Hanzhong Li9,
  14. Lulin Ma10,
  15. Ning Zhang11,
  16. Shengtian Zhao12,
  17. Xunbo Jin13
  1. 1Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Center, Beijing, China
  2. 2Department of Urology, Beijing Hospital, Beijing, China
  3. 3Department of Urology, Beijing Friendship Hospital Affiliated with Capital Medical University, Beijing, China
  4. 4Department of Urology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
  5. 5Department of Urology, The Second Affiliated Hospital of Tianjin Medical University, Tianjin, China
  6. 6Department of Urology, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, Guangzhou, China
  7. 7Department of Urology, Peking University People's Hospital, Beijing, People's Republic of China
  8. 8Department of Urology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
  9. 9Department of Urology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
  10. 10Department of Urology, Third Hospital of Peking University, Beijing, China
  11. 11Department of Urology, Beijing Chao-yang Hospital Affiliated to Capital Medical University, Beijing, China
  12. 12Department of Urology and Central Research Laboratory, Shandong University Second Hospital, Jinan, China
  13. 13Minimally Invasive Urology Center, Provincial Hospital Affiliated to Shandong University, Jinan, China
  1. Correspondence to Professor Liqun Zhou; zhoulqmail{at}sina.com and Shiliang Wu; wushiliangjsh{at}263.net

Abstract

Objectives This study assessed the effect of diet habits on lower urinary tract symptoms (LUTS) and sexual function in Chinese men with LUTS/benign prostatic hypertrophy (LUTS/BPH).

Setting Multicentre study conducted between July 2013 and December 2013 in 11 hospitals in 3 geographic regions in China.

Participants Overall, participants with LUTS/BPH accounted for 61.4% (2584/4208) of the respondents, whose data were processed in the following statistical analysis.

Primary and secondary outcome measures LUTS and sexual function were assessed based on the International Prostate Symptom Score (IPSS) and the International Index of Erectile Function 5 (IIEF-5) score. Prostate volume (PV) was determined by ultrasound.

Results A total of 4208 participants met the inclusion criteria. The average age of the whole participants was 65.8±7.7 years. Overall, participants with LUTS/BPH accounted for 61.4% (2584/4208) of the respondents, whose data were processed in the following statistical analysis. Generally, prostate enlargement was greatest in south China. LUTS and male sexual dysfunction (MSD) were most severe in northwest China. Based on multivariable analysis, PV enlarged as the age (p<0.001), body mass index (BMI; p<0.001) and vegetable intake (p<0.001) increased. Age (p<0.001) and BMI (p<0.05) independently increased the IPSS. A higher level of education (p<0.001) and more frequent meat, fish and egg intake (p<0.05) decreased the IPSS. Age (p<0.001), BMI (p<0.001), low education level (p<0.05), vegetable intake (p=0.001), and milk and dairy product intake (p=0.001) decreased the IIEF-5 score.

Conclusions In addition to factors including age, obesity and level of education, dietary habits and geographic difference might also play an important role in the variation of PV, LUTS and MSD for Chinese men with LUTS/BPH.

  • diet habit
  • lower urinary tract symptoms
  • prostate volume
  • sexual function
  • China

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