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目的:广州的各种气象对不同脑卒中亚型是否有不同影响。方法:我们从广州两家医院收集到了2013年1月1号到2014年12月31号的每月脑卒中发病人数。病人分成两类:缺血性脑卒中和出血性脑卒中,接着我们根据再将疾病分成各个亚型。在2013年1月1号到2014年12月31号期间,我们从中国气象局收集了气象指标每月平均温度,平均湿度和温度日较差。我们使用泊松线性回归模型来研究脑卒中亚型和天气的关系。同时我们还讨论了温度对脑卒中的影响是否在不同季节而变化;结果:我们发现脑栓塞对平均湿度(RR=1.647,95%CI:2.492~1.088,P=0.02)有较大的相关性。结论:在本次研究中,我们通过计算各个气象和各个中风亚型的发病人数发现,平均湿度与脑栓塞较相关。而短暂性脑缺血发作、蛛网膜下腔出血各个气象关系不明显。
Objectives: Whether various meteorological stations in Guangzhou have different effects on different stroke subtypes. METHODS: We collected the monthly incidence of stroke from January 1, 2013 to December 31, 2014 from two hospitals in Guangzhou. The patients fall into two categories: ischemic stroke and hemorrhagic stroke, and then we divide the disease into subtypes based on that. From January 1, 2013 to December 31, 2014, we collected the monthly mean temperature of meteorological indicators from the China Meteorological Administration, with a lower average humidity and temperature day. We used Poisson’s linear regression model to study the relationship between stroke subtypes and the weather. We also discussed whether the effects of temperature on stroke varied in different seasons. Results: We found a significant correlation between cerebral embolism and average humidity (RR = 1.647, 95% CI: 2.492-1.0888, P = 0.02) . CONCLUSIONS: In this study, we calculated the incidence of each meteorological and stroke subtypes and found that mean relative humidity was associated with cerebral embolism. The transient ischemic attack, subarachnoid hemorrhage meteorological relationship is not obvious.