Lag effect of ambient temperature on the cardiovascular disease hospital admission in Jiuquan, China
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Lag effect of ambient temperature on the cardiovascular disease hospital admission in Jiuquan, China Guangyu Zhai 1,2 & Kuan Zhang 1
&
Guorong Chai 2
Received: 10 July 2020 / Accepted: 25 August 2020 # Springer Nature B.V. 2020
Abstract The association between temperature and cardiovascular disease has been widely reported. In the city of Jiuquan, a developing area that has seldom been studied, the association is still unclear. The hospital data of cardiovascular disease (CVD) admissions and meteorological data were collected from the new rural cooperative medical insurance of Gansu Province and China Meteorological Science Data Sharing Service, respectively. A total of 26,383 cases were admitted during the research period. Poisson regression with a distributed lag nonlinear model was selected to evaluate the association between temperature and the hospital admissions of CVD. Subgroup analysis was performed according to gender and age. At first, the low temperature effect was obvious, but it then attenuated at lags 0–7 days. The maximum impact caused by high temperature occurred on the current day (lag 0) and then attenuated along the lag days. The cold effect was more harmful than heat effect. The adults and males were found to be more vulnerable to the temperature than the elderly and females, respectively. The study provides some reference for the development of the local public health by quantifying these impacts. Keywords Cardiovascular disease . Temperature . Admission . Impact . Distributed lag nonlinear model
Introduction Climate change is happening globally, and extreme weather is frequently occurring; thus, the temperature-related diseases, such as CVD, tend to present as frequent. As CVDs are becoming the leading cause of morbidity and mortality in the world (Sun et al. 2020), the association between temperature and CVD has been widely reported. Several studies have shown extreme temperature to be associated with the CVD morbidity. Ponjoan et al. (2017) found that cold spells, but not heatwaves, increased the incidence of emergency cardiovascular hospitalizations in Catalonia, while the results reported by Vaneckova and Bambrick (2013) showed that high temperature could increase the hospital admissions of CVD Electronic supplementary material The online version of this article (https://doi.org/10.1007/s11869-020-00924-5) contains supplementary material, which is available to authorized users. * Guorong Chai [email protected] 1
School of Economics and Management, Lanzhou University of Technology, Lanzhou 730050, People’s Republic of China
2
School of Management, Lanzhou University, Lanzhou 730000, People’s Republic of China
in Sydney. In response to the climate change, some investigators in China began to devote more time and effort to explore the association between temperature and CVD. Ge et al. (2018) reported that high temperature could significantly increase the risk of rheumatic heart disease in Shanghai, and the study conducted in Beijing showed the extremely high temperature to be strongl
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