The Effect of Cold Temperature on Increased Exacerbation of Chronic Obstructive Pulmonary Disease: A Nationwide Study

Ching-Min Tseng, Yung-Tai Chen, Shuo-Ming Ou, Yi-Han Hsiao, Szu-Yuan Li, Shuu-Jiun Wang, Albert C Yang, Tzeng-Ji Chen and Diahn-Warng Perng

PLOS ONE, 2013, vol. 8, issue 3, 1-7

Abstract: Background: Seasonal variations in the acute exacerbation of chronic obstructive pulmonary disease (COPD) have been reported. However, the influence of air temperature and other meteorological factors on COPD exacerbation remains unclear. Methods: National Health Insurance registry data from January 1, 1999 to December 1, 2009 and meteorological variables from the Taiwan Central Weather Bureau for the same period were analyzed. A case-crossover study design was used to investigate the association between COPD exacerbation and meteorological variables. Results: A total of 16,254 cases who suffered from COPD exacerbation were enrolled. We found that a 1°C decrease in air temperature was associated with a 0.8% increase in the exacerbation rate on event-days (95% confidence interval (CI), 1.015–1.138, p = 0.015). With a 5°C decrease in mean temperature, the cold temperature (28-day average temperature) had a long-term effect on the exacerbation of COPD (odds ratio (OR), 1.106, 95% CI 1.063–1.152, p

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0057066

DOI: 10.1371/journal.pone.0057066

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