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基于改进的两步移动搜索法的山区医疗服务空间可达性——以重庆市石柱县为例

DOI: 10.18306/dlkxjz.2015.06.007, PP. 716-725

Keywords: 贫困山区,医疗服务,改进的两步移动搜索法,空间可达性,敏感性,重庆

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Abstract:

针对贫困山区医疗资源短缺、分布不均衡、服务能力差等问题,以重庆市石柱县为例,基于自然村尺度,采用改进的两步移动搜索法,从供需角度分析研究区医疗服务空间可达性特征。设置不同的时间阻抗进行敏感性分析,探究可达性变化规律。通过对石柱县医疗资源空间布局的均衡性评价,为山区未来医疗布局的合理规划与医疗标准的配备提供决策依据。结果表明①石柱县整体医疗服务可达性差,低于重庆市平均水平。②县域医疗资源布局不均衡,空间差异明显。高值区主要集中在方斗山中低山区和黄水镇,低值区主要集中在南部中山区,两极分异明显。③医院的规模、级别,道路的等级、疏密对可达性有一定的影响靠近县城的乡镇、路网密集的地方可达性一般较好。④随着出行阻抗的增大,医疗服务的可达性随之变好,边缘乡镇的可达性随之变差,可达性值变化幅度减缓,医疗服务空间可达性分异变小;医疗资源配备充足的乡镇,随着时间阻抗增加,对周边乡镇可达性的影响增强。

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