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首页> 外文期刊>Sao Paulo Medical Journal >Evidence hierarchies relating to hand surgery: current status and improvement. A bibliometric analysis study
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Evidence hierarchies relating to hand surgery: current status and improvement. A bibliometric analysis study

机译：与手外科手术有关的证据层次：现状和改进。文献计量分析研究

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ABSTRACT BACKGROUND: Hierarchy of evidence is an important measurement for assessing quality of literature. Information regarding quality of evidence within the Brazilian hand surgery setting is sparse, especially regarding whether research has improved in either quality or quantity. This study aimed to identify and classify hand surgery studies published in the two most important Brazilian orthopedics journals based on hierarchy of evidence, with comparisons with previously published data. DESIGN AND SETTING: Bibliometric analysis study performed in a federal university. METHODS: Two independent researchers conducted an electronic database search for hand surgery studies published between 2010 and 2016 in Acta Ortopédica Brasileira and Revista Brasileira de Ortopedia. Eligible studies were subsequently classified according to methodological design, based on the Haynes pyramid model (HP) and the JBJS/AAOS levels of evidence and grades of recommendations (LOR). Qualitative and quantitative data were gathered regarding all studies. Previous data were considered to assess whether the proportion of high-quality studies had improved over time (2000-2009 versus 2010-2016). RESULTS: The final analysis included 123 studies, mostly originating from the southeastern region (78.8%) and private institutions (65%), with self-funding (91.8%). Methodological assessment showed that 15.4% were classified as level I/II using HP and 16.4% using LOR. No significant difference in proportions of high-quality studies was found between the two periods of time assessed (5% versus 12%; P = 0.13). CONCLUSION: Approximately 15% of hand surgery studies published in two major Brazilian journals were likely to be classified as high-quality through two different systems. Moreover, no trend towards quality-of-evidence improvement was found over the last 15 years.
机译：摘要背景：证据等级是评估文献质量的重要指标。关于巴西手外科手术环境中证据质量的信息稀少，尤其是有关研究质量或数量是否有所提高的信息。这项研究的目的是根据证据的层次，并与以前发表的数据进行比较，对在巴西两个最重要的骨科杂志上发表的手外科研究进行识别和分类。设计与环境：在一所联邦大学进行的文献计量分析研究。方法：两名独立研究人员进行了电子数据库搜索，研究了2010年至2016年间发表在ActaOrtopédicaBrasileira和Revista Brasileira de Ortopedia上的手外科研究。随后根据海恩斯金字塔模型（HP）和JBJS / AAOS证据水平和推荐等级（LOR），根据方法设计对符合条件的研究进行分类。收集了所有研究的定性和定量数据。考虑使用以前的数据来评估高质量研究的比例是否随时间推移有所改善（2000-2009年与2010-2016年）。结果：最终分析包括123项研究，其中大部分来自东南地区（78.8％）和私人机构（65％），且资金自筹（91.8％）。方法学评估表明，使用HP的I / II等级为15.4％，使用LOR的为16.4％。在评估的两个时间段之间，高质量研究的比例没有显着差异（5％对12％; P = 0.13）。结论：在巴西的两个主要期刊上发表的手外科研究中，大约有15％可能通过两种不同的系统被归类为高质量的。此外，在过去的15年中，没有发现证据质量改善的趋势。

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