The severity of lower urinary tract symptoms is increased in patients with premature ejaculation among aging Korean men

Introduction and objective: The purpose of this study was to compare the severity of lower urinary tract symptoms (LUTS) between patients with and without premature ejaculation (PE).

Materials and method: The relationship between the severity of LUTS and PE was investigated among 825 male subjects, who underwent medical check-up between July 2013 and July 2018 in our hospital. PE was defined by self-reported intravaginal ejaculation latency time (IELT). The severity of LUTS was determined by international prostate symptom score (IPSS), overactive bladder symptom score (OABSS), transrectal ultrasonography (TRUS), and uroflow rate. A total of 825 subjects were classified into three groups: PE-group (N = 60), Self-reported PE-group (N = 353), and Non-PE group (N = 412).

Results: In comparison analysis involving the two groups, the PE-group and the Self-reported PE-group were analyzed to be statistically significantly higher in IPSS items and OABSS items, compared to the Non-PE group (P < 0.05). This showed the same results in the univariate analysis (P < 0.05). Multivariate analysis conducted with the PE-group versus the Non-PE group, and the Self-reported PE-group versus the Non-PE group, revealed significant differences in the values of total IPSS (P < 0.05).

Conclusion: Comparison between the PE-group, which included the Self-reported PE-group, and the Non-PE group suggest that the severity of LUTS was comparatively higher in the PE-group. Thus, it is thought that being associated with or without PE may be a significant factor to consider, which affects LUTS severity.

Lower urinary tract symptoms; Severity; Premature ejaculation

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