1. Berry SJ, Coffey DS, Walsh PC, Ewing LL. The development of human benign prostatic hyperplasia with age. J Urol. 1984; 132:474–9.

2. Emberton M, Andriole GL, de la Rosette J, Djavan B, Hoefner K, Vela Navarrete R, et al. Benign prostatic hyperplasia: A progressive disease of aging men. Urology. 2003; 61:267–73.

3. Marberger MJ, Andersen JT, Nickel JC, Malice MP, Gabriel M, Pappas F, et al. Prostate volume and serum prostate-specific antigen as predictors of acute urinary retention. Eur Urol. 2000; 38:563–8.
4. Lieber MM, Jacobsen SJ, Roberts RO, Rhodes T, Girman CJ. Prostate volume and prostate-specific antigen in the absence prostate cancer: a review of the relationship and prediction of longterm outcomes. Prostate. 2001; 49:208–12.
5. Lee C, Kozlowski JM, Grayhack JT. Etiology of benign prostatic hyperplasia. Urol Clin North Am. 1995; 22:237–46.

6. Park YW, Min SK, Lee JH. Relationship between lower urinary tract symptoms/benign prostatic hyperplasia and metabolic syndrome in Korean men. World J Mens Health. 2012; 30:183–8.

7. Kwon H, Kang HC, Lee JH. Relationship between predictors of the risk of clinical progression of benign prostatic hyperplasia and metabolic syndrome in men with moderate to severe lower urinary tract symptoms. Urology. 2013; 81:1325–9.

8. Gupta A, Gupta S, Pavuk M, Roehrborn CG. Anthropometric and metabolic factors and risk of benign prostatic hyperplasia: a prospective cohort study of Air Force veterans. Urology. 2006; 68:1198–205.

9. Hammarsten J and Högstedt B. Hyperinsulinaemia as a risk factor for developing benign prostatic hyperplasia. Eur Urol. 2001; 39:151–8.
10. Polascik TJ, Oesterling JE, Partin AW. Prostate specific antigen: a decade of discovery-what we have learned and where we are going. J Urol. 1999; 162:293–306.

11. Schröder FH, Hugosson J, Roobol MJ, Tammela TL, Ciatto S, Nelen V, et al. Screening and prostate-cancer mortality in a randomized European study. N Engl J Med. 2009; 360:1320–8.

12. Collins GN, Lee RJ, Mckelvie GB, Rogers AC, Hehir M. Relationship between prostate specific antigen, prostate volume and age in the benign prostate. Br J Urol. 1993; 71:445–50.
13. Roehrborn CG, McConnell J, Bonilla J, Rosenblatt S, Hudson PB, Malek GH, et al. Serum prostate specific antigen is a strong predictor of future prostate growth in men with benign prostatic hyperplasia. PROSCAR longterm efficacy and safety study. J Urol. 2000; 163:13–20.
14. Mochtar CA, Kiemeney LA, van Riemsdijk MM, Barnett GS, Laguna MP, Debruyne FM, et al. Prostate-specific antigen as an estimator of prostate volume in the management of patients with symptomatic benign prostatic hyperplasia. Eur Urol. 2003; 44:695–700.

15. Baillargeon J, Pollock BH, Kristal AR, Bradshaw P, Hernandez J, Basler J, et al. The association of body mass index and prostate-specific antigen in a population-based study. Cancer. 2005; 103:1092–5.

16. Han JH, Choi NY, Bang SH, Kwon OJ, Jin YW, Myung SC, et al. Relationship between serum prostate-specific antigen levels and components of metabolic syndrome in healthy men. Urology. 2008; 72:749–54.

17. Bosch JL, Hop WC, Kirkels WJ, Schröder FH. Natural history of benign prostatic hyperplasia: appropriate case definition and estimation of its prevalence in the community. Urology. 1995; 46(S1):34–40.

18. Aarnink RG, de la Rossette JJ, Debruyne FM, Wijkstra H. Formula-derived prostate volume determination. Eur Urol. 1996; 29:399–402.
19. Byun HK, Sung YH, Kim W, Jung JH, Dong JM, Chung HC. Relationships between prostate-specific antigen, prostate volume, and components of metabolic syndrome in healthy Korean men. Korean J Urol. 2012; 53:774–8.

20. Giovannucci E, Rimm EB, Chute CG, Kawachi I, Colditz GA, Stampfer MJ, et al. Obesity and benign prostatic hyperplasia. Am J Epidemiol. 1994; 140:989–1002.

21. Becker S, Dossus L, Kaaks R. Obesity related hyperinsulinaemia and hyperglycemia and cancer development. Arch Physiol Biochem. 2009; 115:86–96.
22. Pasquali R, Casimirri F, Cantobelli S, Melchionda N, Morselli Labate AM, Fabbri R, et al. Effect of obesity and body fat distribution on sex hormones and insulin in men. Metabolism. 1991; 40:101–4.

23. Giovannucci E, Rimm EB, Chute CG, Kawachi I, Coditz GA, Stampfer MJ, et al. Obesity and benign prostatic hyperplasia. Am J Epidemiol. 1994; 140:989–1002.

24. Parsons JK, Sarma AV, McVary K, Weis JT. Obesity and benign prostatic hyperplasia: Clinical connections, emerging etiological paradigms and future directions. J Urol. 2013; 189(S1):S102–6.

25. Greene KL, Albertsen PC, Babaian RJ, Carter HB, Gann PH, Han M, et al. Prostate specific antigen best practice statement: 2009 update. J Urol. 2013; 189(S1):S2–S11.

26. Jeong IG, Hwang SS, Kim HK, Ahn HK, Kim CS. The association of metabolic syndrome and its components with serum prostate-specific antigen levels in a Korean-screened population. Cancer Epidemiol Biomarkers Prev. 2010; 19:371–80.

27. Werny DM, Thompson T, Saraiya M, Freedman D, Kottiri BJ, German RR, et al. Obesity is negatively associated with prostate-specific antigen in U.S. men, 2001–2004. Cancer Epidemiol Biomarkers Prev. 2007; 16:70–6.

28. Bohnen AM, Groeneveld FP, Bosch JL. Serum prostate-specific antigen as a predictor of prostate volume in the community: The Krimpen study. Eur Urology. 2007; 51:1645–52.

29. Mäkinen JI, Perheentupa A, Irjala K, Pöllänen P, Mäkinen J, Huhtaniemi I, et al. Endogenous testosterone and serum lipids in middle-aged men. Atherosclerosis. 2008; 197:688–93.

30. Bataille V, Perret B, Evans A, Amouyel P, Arveiler D, Ducimetière P, et al. Sex hormone-binding globulin is a major determinant of the lipid profile: the PRIME study. Atherosclerosis. 2005; 179:369–73.
