ArticleFrontiers of environmental science & engineering2023
The main and added effects of heat on mortality in 33 Chinese cities from 2007 to 2013.
Article in Frontiers of environmental science & engineering, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Regional impact of extreme temperatures on cardiovascular and respiratory mortality in Thailand: cold wave burden across diverse tropical climate zones.Journal of exposure science & environmental epidemiology · 2026Article
- Role of NRF2 in regulating oxidative stress and alleviating mitochondrial and endoplasmic reticulum structural damage in heatstroke-induced brain injury.World journal of emergency medicine · 2026Article
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10 authors.
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Abstract
Increases in ambient temperatures and the frequency of extreme heat events constitute important burdens on global public health. However, evidence on their effects on public health is limited and inconclusive in China. In this study, data on daily deaths recorded in 33 Chinese cities from 2007 to 2013 was used to evaluate the effect of heat on mortality in China. In addition to the definition of a heatwave established by the China Meteorological Administration, we combined four city-specific relative thresholds (90th, 92.5th, 95th, and 97.5th percentiles) of the daily mean temperature during the study period and three durations of ⩾ 2, ⩾ 3, and ⩾ 4 days, from which 13 heatwave definitions were developed. Then, we estimated the main and added effects of heat at the city level using a quasi-Poisson generalized additive model combined with a distributed lag nonlinear model. Next, the estimates for the effects were pooled at the national level using a multivariable meta-analysis. Subgroup analysis was performed according to sex, age, educational attainment, and spatially stratified heterogeneity. The results showed that the mortality risk increased from 22.3% to 37.1% due to the effects of the different heatwave definitions. The added effects were much lower, with the 2 Front. Environ. Sci. Eng. 2023, 17(7): 81 highest increase of 3.9% (95%
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