Demographic and clinical characteristics of the participating men according to IIEF-5 score.

Abbreviations:ED, erectile dysfunction; Mo-Se: moderate to severe; BMI, body mass index; WC, waist circumference; BP, blood pressure; HR, heart rate; IIEF-5, 5-item form of International Index of Erectile Function; FBG, fast blood glucose; TT, total testosterone;TPSA, total prostate specific antigen; FSH, follicle-stimulating hormone; LH, luteotropic hormone; PRL, prolactin; E2, Estradiol; ALT, alanine transferase; TG, triglyceride; BPH, benign prostatic hyperplasia; PLS, prostatatis-like symptom; SD, standard deviation, Min, minimal; Max, maximum.aData met normal distribution, using One-Way ANOVA analysis;bData met non-normal distribution, using K-independent samples analysis;cRanked data, using Chi-square tests analysis.Bonferroni correction p: original p×4; *vs. Non-ED, p†vs. Mo-Se ED, p