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首页> 外文期刊>Journal of voice: official journal of the Voice Foundation >Levels of evidence in the voice literature.
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Levels of evidence in the voice literature.

机译：语音文献中的证据水平。

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OBJECTIVE: The purpose of this study was to evaluate the levels of evidence in the voice literature. STUDY DESIGN: Retrospective literature review. METHODS: Retrospective review of all original articles published between January 2004 and December 2009 from four general otolaryngology journals and one subspecialty voice journal. All abstracts related to voice were evaluated and rated as to evidence-based medicine rating, graded levels A-D and 1a-5. Articles were also stratified by time over two consecutive 3-year intervals to assess changes over the time period. RESULTS: Of the 6052 articles published, 950 (15.6%) were related to voice. Six hundred seventy-three articles (10.2%) were clinical articles, and 277 (4.6%) were basic science. Only 1% of the clinical articles were level A, 17% were level B, 73% were level C, and 9% were level D. No noticeable changes occurred in the levels of evidence over the interval of the first 3 years of the study in comparison to the last 3 years, although there was an increase in the number of basic science articles from 24.4% to 32.4%. CONCLUSION: Despite strong recent interest in improving the quality of the evidence in the literature, the voice literature remains primarily level C and D with no appreciable change over the past 6 years.
机译：目的：本研究的目的是评估语音文献中的证据水平。研究设计：回顾性文献综述。方法：回顾性回顾了2004年1月至2009年12月之间发表的所有4篇普通耳鼻咽喉科杂志和1篇亚专业声音杂志的所有原创文章。对所有与语音相关的摘要进行评估，并评定为循证医学等级A-D和1a-5级。还按连续两个三年间隔的时间对文章进行分层，以评估一段时间内的变化。结果：在发表的6052篇文章中，有950篇（15.6％）与语音相关。临床文章有673篇（占10.2％），基础科学方面有277篇（占4.6％）。仅1％的临床文章为A级，B级为17％，C级为73％，D级为9％。在研究的前三年中，证据水平没有明显变化。与过去三年相比，尽管基础科学论文的数量从24.4％增加到32.4％。结论：尽管最近有很大的兴趣提高文献的证据质量，但语音文献仍主要保持C和D级，在过去6年中没有明显变化。

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