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首页> 外文期刊>International Journal of Biometeorology: Journal of the International Society of Biometeorology >Weather elements, chemical air pollutants and airborne pollen influencing asthma emergency room visits in Szeged, Hungary: performance of two objective weather classifications
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Weather elements, chemical air pollutants and airborne pollen influencing asthma emergency room visits in Szeged, Hungary: performance of two objective weather classifications

机译：影响匈牙利塞格德哮喘急诊室的天气要素，化学空气污染物和空气中的花粉：两种客观天气分类的表现

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摘要

Weather classification approaches may be useful tools in modelling the occurrence of respiratory diseases. The aim of the study is to compare the performance of an objectively defined weather classification and the Spatial Synoptic Classification (SSC) in classifying emergency department (ED) visits for acute asthma depending from weather, air pollutants, and airborne pollen variables for Szeged, Hungary, for the 9-year period 1999-2007. The research is performed for three different pollen-related periods of the year and the annual data set. According to age and gender, nine patient categories, eight meteorological variables, seven chemical air pollutants, and two pollen categories were used. In general, partly dry and cold air and partly warm and humid air aggravate substantially the symptoms of asthmatics. Our major findings are consistent with this establishment. Namely, for the objectively defined weather types favourable conditions for asthma ER visits occur when an anticyclonic ridge weather situation happens with near extreme temperature and humidity parameters. Accordingly, the SSC weather types facilitate aggravating asthmatic conditions if warm or cool weather occur with high humidity in both cases. Favourable conditions for asthma attacks are confirmed in the extreme seasons when atmospheric stability contributes to enrichment of air pollutants. The total efficiency of the two classification approaches is similar in spite of the fact that the methodology for derivation of the individual types within the two classification approaches is completely different.
机译：天气分类方法可能是建模呼吸系统疾病发生的有用工具。这项研究的目的是比较客观定义的天气分类和空间概要分类（SSC）在根据天气，空气污染物和匈牙利塞格德的空气，花粉变量对急诊科（ED）进行的急性哮喘门诊分类中的效果，为1999-2007年的9年。该研究是针对一年中与花粉相关的三个不同时期和年度数据集进行的。根据年龄和性别，使用了9种患者类别，8种气象变量，7种化学空气污染物和2种花粉类别。通常，部分干燥和寒冷的空气以及部分温暖和潮湿的空气会严重加重哮喘的症状。我们的主要发现与该机构一致。即，对于客观定义的天气类型，当在接近极端温度和湿度参数的情况下发生反气旋洋脊天气情况时，会出现哮喘ER访问的有利条件。因此，在两种情况下，如果在高湿度下出现温暖或凉爽的天气，SSC天气类型都会使哮喘病情加重。在大气稳定有助于空气污染物富集的极端季节，证实了哮喘发作的有利条件。尽管两种分类方法中用于导出单个类型的方法完全不同，但两种分类方法的总效率相似。

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