The Prevalence of Lower Urinary Tract Symptoms and Overactive Bladder in South Korea: A Cross-Sectional, Population-Based Study
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초록
Purpose: Lower urinary tract symptoms (LUTS) affect over half of the adults’ population worldwide, with an increasing prevalence among the older age groups. Therefore, with the increasing elderly population, LUTS is an important disease, highlighting the need for accurate data on its prevalence. This present study aimed to investigate the prevalence of LUTS in South Korea. Methods: The study targeted individuals aged at least 19 years nationwide. We conducted computer-assisted telephone interviews, 80% mobile random digital dialing (RDD) sampling frame, and 20% landline RDD sampling frame between April and May 2020. Questionnaires included The International Prostate Symptom Score (IPSS), the overactive bladder symptom score (OABSS), and the characteristics of respondents. Current International Continence Society definitions were used for individual LUTS and OAB. Results: There were 2,000 respondents, 1,009 (50.4%) were women and 546 (27.3%) were aged ≥60 years. Based on our IPSS questionnaire survey results, 77.9% of the respondents had LUTS; 63.7% had mild symptoms (1–7), 11.7% had moderate symptoms (8–19), and 2.4% had severe symptoms (20–35). The prevalence and severity of LUTS increased with age with 22.1% of respondents aged 60 years and above complaining of moderate or severe LUTS. According to the survey through OABSS, the prevalence of OAB was 9.6%, males were 10.3% and females were 9.0%. Conclusions: Based on our survey results, 77.9% of the Korean adult population (over the age of 19) experienced at least one LUTS, and the severity increased with age. The prevalence and severity of OAB increased with age, especially after 40 years; the prevalence of OAB was 9.6%, and 13.4% of them were over 60 years old.
Abstract
Purpose: Lower urinary tract symptoms (LUTS) affect over half of the adults’ population worldwide, with an increasing prevalence among the older age groups. Therefore, with the increasing elderly population, LUTS is an important disease, highlighting the need for accurate data on its prevalence. This present study aimed to investigate the prevalence of LUTS in South Korea. Methods: The study targeted individuals aged at least 19 years nationwide. We conducted computer-assisted telephone interviews, 80% mobile random digital dialing (RDD) sampling frame, and 20% landline RDD sampling frame between April and May 2020. Questionnaires included The International Prostate Symptom Score (IPSS), the overactive bladder symptom score (OABSS), and the characteristics of respondents. Current International Continence Society definitions were used for individual LUTS and OAB. Results: There were 2,000 respondents, 1,009 (50.4%) were women and 546 (27.3%) were aged ≥60 years. Based on our IPSS questionnaire survey results, 77.9% of the respondents had LUTS; 63.7% had mild symptoms (1–7), 11.7% had moderate symptoms (8–19), and 2.4% had severe symptoms (20–35). The prevalence and severity of LUTS increased with age with 22.1% of respondents aged 60 years and above complaining of moderate or severe LUTS. According to the survey through OABSS, the prevalence of OAB was 9.6%, males were 10.3% and females were 9.0%. Conclusions: Based on our survey results, 77.9% of the Korean adult population (over the age of 19) experienced at least one LUTS, and the severity increased with age. The prevalence and severity of OAB increased with age, especially after 40 years; the prevalence of OAB was 9.6%, and 13.4% of them were over 60 years old.
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