Association between ambient temperature and lower urinary tract symptoms: a community-based survey

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Vol. 42 (3): 521-530, May – June, 2016

doi: 10.1590/S1677-5538.IBJU.2015.0159


ORIGINAL ARTICLE

Association between ambient temperature and lower urinary tract symptoms: a community-based survey

Sung Ryul Shim 1, Jae Heon Kim 2, Jong Ho Won 3, Eun Seop Song 4, Yun Seob Song 2
1 Institute for clinical molecular biology research, Soonchunhyang University Hospital, Soonchunhyang University School of Medicine, Seoul, Korea; 2 Department of Urology, Soonchunhyang University Hospital, Soonchunhyang University School of Medicine, Seoul. Korea; 3 Department of Internal Medicine, Soonchunhyang University School of Medicine, Seoul, Korea; 4 Department of Obstetrics and Gynecology, Inha University School of Medicine, Incheon, Korea

ABSTRACT    

Purpose: The aim of this study was to evaluate the individual change of International prostate Symptom Score (IPSS) and Overactive Bladder Symptom Score (OABSS) in each patient by temperature conditions.
Materials and Methods: The severity of lower urinary tract symptoms (LUTS) was explored using the IPSS and OABSS questionnaires that were completed by 2.486 subjects (923 males and 1.563 females) aged 60 years and older. Korea Meteorological Administration data was used to determine daily average temperature and daily tem¬perature difference on the interview dates at each site.
Results: The mean IPSS and mean age for males was 13.45±8.24 and 75.03±6.20 years, respectively. The mean OABSS and mean age for females was 4.41±3.10 and 73.74±6.03years, respectively. Daily average temperature and daily temperature di¬fference ranged from-3.4-28.3oC and 2.2-16.9oC, respectively. Age was a significantly risk factor for IPSS, OABSS, and QoL (P<0.001, <0.001, and 0.005, respectively). After multiple regression analysis, daily average temperatures did not show a statistically significant change in IPSS and OABSS. Only daily temperature differences were asso¬ciated with male LUTS.
Conclusions: While LUTS could be worsened in low temperatures generally, IPSS and OABSS were not affected by daily average temperature conditions. Daily temperature differences may be more influential than daily average temperatures.

Keywords: Lower Urinary Tract Symptoms; Prostatic Hyperplasia; Temperature

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