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Int J Environ Health Res. 2015;25(3):277-87. doi: 10.1080/09603123.2014.938028. Epub 2014 Aug 7.

The impact of extremely high temperatures on mortality and mortality cost.

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1
a Health Faculty Sciences , San Jorge University , Zaragoza , Spain.

Abstract

The aim of this study was to determine the temperature threshold that triggers an increase in heat-induced mortality in Zaragoza, Spain to determine the impact of extreme heat on mortality and in-hospital cost. A longitudinal ecological study was conducted according to an autoregressive integrated moving average model of a time series for daily deaths and to determine the relative risk of mortality for each degree that the temperature threshold was exceeded. Mortality showed a statistically significant increase when the daily maximum temperature exceeded 38 °C. A Relative Risk was 1.28 with a 95 % confidence interval (95 %CI:1.08-1.57) This threshold temperature didn't change over time. A total of 107 (95 %CI:42-173) heat-attributable deaths were estimated for the period 2002-2006, and the in-hospital estimated cost of these deaths reach € 426,087(95 %CI.€ 167,249-€ 688,907). The articulation of preventive measures to minimize the impact of extreme heat on human health is necessary because of the mortality-temperature relationship.

KEYWORDS:

economic impact; heat waves; temperature; threshold; total mortality

PMID:
25104053
DOI:
10.1080/09603123.2014.938028
[Indexed for MEDLINE]

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