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目的了解江苏省2003—2009年甲型肝炎(简称甲肝)的空间分布规律及其影响因素,为相关部门制定科学的预防控制措施提供理论依据。方法收集江苏省2003—2009年甲肝的发病资料,应用Arc GIS 10.0软件分析江苏省甲肝的区域分布特点,并将甲肝发病率与其可能的发病影响因素进行相关分析。结果江苏省甲肝的高危地区主要分布于中部和东南部地区;甲肝发病率与距铁路的远近呈负相关[y=1.189-(1.2E-5)x3,R2=0.977,F=209.245,P<0.001],距铁路越近,甲型肝炎发病率越高;洪泽湖和骆马湖附近甲肝的发病率相对较高。结论江苏省甲肝的流行有明显的地域分布规律,应根据不同地区的流行强度、针对甲肝的流行原因采取有效的预防控制措施。
Objective To understand the spatial distribution of hepatitis A (Hepatitis A) and its influencing factors in Jiangsu Province during 2003-2009 and to provide a theoretical basis for the relevant departments to formulate scientific prevention and control measures. Methods The incidence data of hepatitis A from 2003 to 2009 in Jiangsu Province were collected. Arc GIS 10.0 software was used to analyze the regional distribution of hepatitis A in Jiangsu Province. The incidence of hepatitis A and the possible influencing factors were analyzed. Results High-risk areas of hepatitis A in Jiangsu Province mainly distributed in the central and southeastern areas. The incidence of hepatitis A was negatively correlated with the distance from the railway [y = 1.189- (1.2E-5) x3, R2 = 0.977, F = 209.245, P < 0.001], closer to the railway, the higher the incidence of hepatitis A; the incidence of hepatitis A near Hongze Lake and Luoma Lake is relatively high. Conclusion The prevalence of hepatitis A in Jiangsu Province has obvious geographical distribution. According to the prevalence of hepatitis A in different areas, effective prevention and control measures should be taken according to the prevalence of hepatitis A.