Effect of Air Temperature and Universal Thermal Climate Index on Respiratory Diseases Mortality in Mashhad, Iran
Author(s):
Abstract:
Objective
Climatic factors with desired and sometimes undesired effects lead to changes in the human body, such as hypothermia, influenza, heart disease, stroke, asthma, etc. The present study investigates the role of temperature in respiratory mortality in Mashhad, Iran.Materials And Methods
Among the respiratory mortality data, daily temperature, wind speed and relative humidity from 2004 to 2013 were used. First, Tmrt parameter was calculated through Ray Man software and the values of UTCI index were obtained using Bioklima software. Finally, the correlation between the thresholds of the above-mentioned index and temperature as well as mortality was calculated. In addition, the mortality risk ratio in all of these thresholds was calculated.Result
The results show that the UTCI index has changed from 32°C to 40°C C in Mashhad. There is a strong and negative relationship between the maximum temperature (r = -0.90, P-value Conclusion
Generally, mortality increases with decreasing temperature and increasing cold stresses and the mortality risk increases by 1.36% per 10°C reduction.Keywords:
Heat stress , mortality , ratio risk , UTCI
Language:
English
Published:
Archives of Iranian Medicine, Volume:19 Issue: 9, Sep 2016
Page:
618
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