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JYMS : Journal of Yeungnam Medical Science

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Sang Chan Jin 1 Article
Determining the correlation between outdoor heatstroke incidence and climate elements in Daegu metropolitan city
Jung Ho Kim, Hyun Wook Ryoo, Sungbae Moon, Tae Chang Jang, Sang Chan Jin, You Ho Mun, Byung Soo Do, Sam Beom Lee, Jong-yeon Kim
Yeungnam Univ J Med. 2019;36(3):241-248.   Published online July 2, 2019
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AbstractAbstract PDF
Heatstroke is one of the most serious heat-related illnesses. However, establishing public policies to prevent heatstroke remains a challenge. This study aimed to investigate the most relevant climate elements and their warning criteria to prevent outdoor heatstroke (OHS).
We investigated heatstroke patients from five major hospitals in Daegu metropolitan city, Korea, from June 1 to August 31, 2011 to 2016. We also collected the corresponding regional climate data from Korea Meteorological Administration. We analyzed the relationship between the climate elements and OHS occurrence by logistic regression.
Of 70 patients who had heatstroke, 45 (64.3%) experienced it while outdoors. Considering all climate elements, only mean heat index (MHI) was related with OHS occurrence (p=0.019). Therefore, the higher the MHI, the higher the risk for OHS (adjusted odds ratio, 1.824; 95% confidence interval, 1.102–3.017). The most suitable cutoff point for MHI by Youden’s index was 30.0°C (sensitivity, 77.4%; specificity, 73.7%).
Among the climate elements, MHI was significantly associated with OHS occurrence. The optimal MHI cutoff point for OHS prevention was 30.0°C.


Citations to this article as recorded by  
  • Ambient heat exposure and kidney function in patients with chronic kidney disease: a post-hoc analysis of the DAPA-CKD trial
    Zhiyan Zhang, Hiddo J L Heerspink, Glenn M Chertow, Ricardo Correa-Rotter, Antonio Gasparrini, Niels Jongs, Anna Maria Langkilde, John J V McMurray, Malcolm N Mistry, Peter Rossing, Robert D Toto, Priya Vart, Dorothea Nitsch, David C Wheeler, Ben Caplin
    The Lancet Planetary Health.2024; 8(4): e225.     CrossRef

JYMS : Journal of Yeungnam Medical Science