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目的调查上海一家综合性医院急诊近4年蓄意自伤(DSH)就诊者的特征,同时分析气象因素的影响。方法选择2007～2010年就诊的DSH患者,与同期气象资料进行比较,分析气象因素的影响。结果 4年中急诊有1 495例DSH患者就诊,经logistic回归模型采用前进法发现,日最高温度越高、最低湿度越低,DSH发生的可能性越大。夏季DSH高发,至8月达最高峰,冬季较少发,尤其2月最少;傍晚19:00～22:59及11:00～14:59急诊DSH就诊人次最多。温度和湿度的影响无性别差异。结论急诊是DSH研究和干预的重要阵地。春夏季是DSH预防的关键时期。完善急诊伤害登记系统以识别综合性医院急诊DSH是相关研究和预防的前提。
Objective To investigate the characteristics of patients who have been hospitalized for intentional self-injury (DSH) in a general hospital in Shanghai in the past 4 years and analyze the influence of meteorological factors. Methods The DSH patients from 2007 to 2010 were compared with the meteorological data of the same period to analyze the influence of meteorological factors. Results A total of 1 495 DSH patients were referred for emergency treatment at 4 years. According to the logistic regression model, the higher the highest daily temperature and the lower the lowest humidity, the greater the possibility of DSH. DSH high in summer, peaked in August, less in winter, especially in February at least; evening 19: 00-22: 59 and 11: 00-14: 59 emergency DSH visits the most. The effects of temperature and humidity have no gender differences. Conclusion Emergency treatment is an important front for DSH research and intervention. Spring and summer is a crucial period for the prevention of DSH. Improving the emergency injury registration system to identify general hospital emergency DSHs is a prerequisite for research and prevention.