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目的了解长沙市2009-2011年长沙市溺水死亡病例在时间上的流行特征,为制订溺水伤害防制措施提供依据。方法采用圆形分布法对长沙市2009年1月1日-2011年12月31日辖区医疗机构报告的溺水死亡病例的时间分布规律进行分析。结果长沙市溺水死亡病例有时间集中趋势,发病高峰期在5月2日-9月15日;城市和农村溺水死亡时间无明显区别;学生的集中趋势明显,而学龄前儿童无集中趋势。结论根据溺水死亡高峰期采取相应的干预措施,以有效地降低死亡率。
Objective To understand the epidemiological characteristics of death from drowning in Changsha from 2009 to 2011 and to provide evidence for the establishment of control measures for drowning injuries. Methods The circular distribution method was used to analyze the time distribution of death from drowning cases reported by medical institutions in the area from January 1, 2009 to December 31, 2011. Results The cases of death from drowning in Changsha had a tendency of concentration in time. The peak incidence peak was from May 2 to September 15. There was no significant difference in the time of death from drowning in urban and rural areas. The concentration tendency of students was obvious while there was no concentration trend among preschool children. Conclusions According to the peak drowning death period, corresponding intervention measures are taken to effectively reduce the mortality rate.