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首页> 外文期刊>Computer Methods and Programs in Biomedicine: An International Journal Devoted to the Development, Implementation and Exchange of Computing Methodology and Software Systems in Biomedical Research and Medical Practice >Diffusion, utilisation and regional variations in the use of CT and MRI in Sweden.
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Diffusion, utilisation and regional variations in the use of CT and MRI in Sweden.

机译：瑞典使用CT和MRI的扩散，利用和地区差异。

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摘要

To study the diffusion, access, use, and utilisation of Computerized Tomography (CT) and Magnetic Resonance Imaging (MRI) in Sweden a national survey was carried out by a written questionnaire mailed to all public and private hospitals and clinics in 1997. To get a survey of CT and MRI in other countries a request asking for number of units was sent to recognised authorities and individuals in selected countries. CT and MRI were introduced in Sweden in 1973 and 1984 respectively. The diffusion of CT and MRI in Sweden are amongst the highest in the world. Considering the small size of the country and the medical community (e.g. facilitating transparency in indications for use of CT and MRI) and the relatively homogeneous health care system (tax based finance system) the regional variations in access, use, and utilisation of CT and MRI were surprisingly large. For example: In 1996 the number of CT examinations per 100.000 inhabitants varied from 3.344 to 4.705 between the regions. The MRI examinations varied from 751 to 1.858. Some of the differences may be explained by demographic factors. Also, reimbursement policies by the county councils for CT and MRI examinations varied which gave different incentives for patient referrals. However, to explain most of the differences more research is needed. Factors like proportion of elderly amongst the populations in the regions and other socio-demographic factors, proportion of research orientation of examinations and national medical specialities, organisation of the health care, etc. may to a greater extent explain the differences.
机译：为了研究瑞典的计算机断层扫描（CT）和磁共振成像（MRI）的扩散，访问，使用和利用，于1997年通过书面问卷向全国所有公立和私立医院及诊所进行了全国调查。在其他国家/地区对CT和MRI进行的调查将要求提供单位数量的请求发送给了所选国家/地区的公认机构和个人。 CT和MRI分别于1973年和1984年在瑞典引入。瑞典CT和MRI的普及率是世界上最高的。考虑到国家和医学界的面积较小（例如，促进使用CT和MRI的适应症的透明性）和相对同质的医疗保健系统（基于税收的财务系统），CT和MRI的使用，使用和使用存在区域差异MRI大得令人惊讶。例如：1996年，各地区之间每10万居民的CT检查次数从3.344到4.705不等。 MRI检查范围从751到1.858。某些差异可以由人口统计学因素解释。此外，县议会对CT和MRI检查的报销政策也有所不同，这为患者转诊提供了不同的激励。但是，要解释大多数差异，还需要进行更多研究。这些差异可能在很大程度上解释了诸如区域人口中老年人的比例以及其他社会人口因素，检查和国家医学专业的研究方向所占的比例等因素。

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