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Diurnal temperature range and emergency room admissions for chronic obstructive pulmonary disease in Taiwan

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Abstract

The objective of this study was to assess the relationship between diurnal temperature range (DTR) and emergency room (ER) admissions for chronic obstructive pulmonary disease (COPD) in an ER in Taichung City, Taiwan. The design was a longitudinal study in which DTR was related to COPD admissions to the ER of the city’s largest hospital. Daily ER admissions for COPD and ambient temperature were collected from 1 January 2001 to 31 December 2002. There was a significant negative association between the average daily temperature and ER admissions for COPD (r =  −0.95). However, a significant positive association between DTR and COPD admissions was found (r = 0.90). Using the Poisson regression model after adjusting for the effects of air pollutants and the day of the week, COPD admissions to the ER increased by 14% when DTR was over 9.6°C. COPD patients must be made aware of the increased risk posed by large DTR. Hospitals and ERs should take into account the increased demand of specific facilities during periods of large temperature variations.

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Correspondence to Hsien-Wen Kuo.

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Liang, WM., Liu, WP. & Kuo, HW. Diurnal temperature range and emergency room admissions for chronic obstructive pulmonary disease in Taiwan. Int J Biometeorol 53, 17–23 (2009). https://doi.org/10.1007/s00484-008-0187-y

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  • DOI: https://doi.org/10.1007/s00484-008-0187-y

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