The prevalence of lower urinary tract symptoms in a Chinese population, and the correlation with uroflowmetry and disease perception
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To evaluate the prevalence of lower urinary tract symptoms (LUTS) in a population of Chinese men, and its correlation with uroflowmetry and disease perception.
Materials and methods
Male volunteers above 40-year old were recruited in the community. Assessment with International Prostatic Symptom Score (IPSS), uroflowmetry, and a quiz on prostatic disease knowledge with 12 true–false-type questions were performed. Correlation of IPSS with uroflowmetry results and prostatic disease knowledge was analyzed.
A total of 319 men were recruited for the study, with a mean age of 62 ± 8 years. About 69.3 % of them had moderate-to-severe symptoms on IPSS. A statistically significant correlation was found between IPSS and Q max (r = −0.260, p < 0.001), IPSS and quality of life (r = −0.172, p = 0.002), and IPSS and post-void residuals (r = 0.223, p < 0.001). About 53.0 % of subjects had less than 4 correct answers for the 12 true–false questions. Negative correlation was noted between the number of correct answers and IPSS (r = −0.185, p = 0001). In other words, for the better knowledge on prostatic diseases, the lower IPSS was found.
In a cohort of community-dwelling Chinese men, a significant portion of the population had moderate-to-severe LUTS. While uroflowmetry parameters were found to correlate with IPSS, the degree of knowledge on prostatic diseases also shared a statistically significant correlation with IPSS. This has an implication on the role of urological health education in the future.
KeywordsLower urinary tract symptoms Uroflowmetry Disease perception
Conflict of interest
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