Most of them are based on systematic reviews.
它们中的大多数都是基于系统的评论。
I base this conclusion not on any individual study, but on large-scale and systematic reviews of thousands of studies conducted in every major English-speaking country.
我的结论不是基于任何个体研究，而是基于对每个主要英语国家进行的数千项研究的大规模系统回顾。
Other systematic reviews support her conclusions.
其他的系统评论也支持她的结论。
We also checked the reference lists of existing systematic reviews and of all trials identified by the above methods.
还查看了现有系统评价文献以及上述方法确定的所有试验的参考资料目录。
In a 2007 study in the Cochrane Database of Systematic Reviews, researchers pooled and analyzed the results of a half dozen clinical trials looking at the effects of caffeine on asthmatics.
科克伦系统评价数据库于2007年收录的一份研究报告显示，研究人员曾集中分析了六例临床实验病例，以观察咖啡因对哮喘的疗效。
Recent systematic reviews indicate that CT alone may not be sufficiently sensitive to exclude pulmonary embolism in patients who have a high pretest probability of pulmonary embolism.
最近系统性回顾表明对那些有高预发性肺栓塞的病人单独使用CT可能不足以排除患肺栓塞的可能。
Evidence: Systematic reviews of available evidence were used to formulate the key treatment and prevention recommendations.
证据：有效的证据被系统的回顾以便能明确的表述关键的治疗以及推荐预防的方式。
But perhaps most difficult of all is trying to maintain consistency across different systematic reviews.
但是，也许最困难的是要保持在不同的系统评价的一致性。
This contradicts the findings from systematic reviews of epidemiologic studies that show alcohol intake may be associated with a small but significant increase in blood pressure.
这与对流行病学研究的系统性综述的结果恰好矛盾——那些综述表明，饮酒可能与血压出现小而显著的升高相关。
Systematic reviews, randomized controlled clinical trials and clinical guideline have becoming the most important clinical research methods for evidence based medicine.
系统评估方法、临床随机对照研究方式和临床指南的方式，正成为循证医学的最重要的临床研究方法。
A systematic research on the CBA auditorium culture was made by literature reviews.
运用文献资料法对CBA看台文化进行系统的研究。
However, there have not been any systematic reviews evaluating the effectiveness of the TAP block in reducing pain after surgery.
然而，至今没有任何系统性回顾评断腹横肌平面阻滞减轻术后疼痛的成效。
On the basis of the related theories and literature reviews in Guangxi's industrial structure, there is no systematic and integrated research of its driving forces of the industrial structure.
从对有关广西产业结构文献综述的基础上可以发现目前还没有系统完整的对广西产业结构变迁动力机制的研究。
We used standard methodological procedures for systematic reviews.
我们采用标准方法进行系统回顾。
Summary of Background Data. In 1997, the Cochrane Back Review Group published Method Guidelines for systematic Reviews, which was updated in 2003.
背景资料概要：1997年，Cochrane回顾评述小组(CBRG)发表了系统评价的方法指南，并于2003年修订了这一方法指南。
Selection of systematic reviews, data extraction and quality assessment were undertaken in duplicate.
以一式两份的方式选择系统性文献回顾、萃取资料和评估品质。
Previous systematic reviews of steroid withdrawal after kidney transplantation have shown a significant increase in acute rejection.
在之前的系统性文献回顾发现，肾移植后撤除类固醇会显著的增加急性排斥。
We did a systematic review of strategies and methods describing when and how to update systematic reviews.
我们对系统性回顾更新的时机和方法的策略和方法进行系统性回顾。
To identify, describe and assess strategies and methods addressing: 1 when to update systematic reviews and 2 how to update systematic reviews.
要找寻、叙述及评估1何时应更新系统性回顾2如何更新的策略和方法。
Little research has been conducted on when and how to update systematic reviews and the feasibility and efficiency of the identified approaches is uncertain.
针对系统性回顾更新的时机和方法进行的研究不多，研究方式可行性及效率都不确定。
Limitations of this study include the fact that the literature search missed some truncated RCTs and failure to evaluate publication bias in the systematic reviews.
文章的不足之处在于文献检索时一些提前终止的试验没有纳入，并且没有能够评估系统综述的发表偏倚。
Through methods of literature reviews and systematic analysis, a preliminary research on the establishment and implementation of sports industry policy was carried out.
主要采用文献研究和系统分析等方法，对我国现行体育产业政策的制定及实施情况进行初步研究。
We undertook in duplicate selection of systematic reviews, data extraction and quality assessment.
我们进行了重复的综述筛选，数据提取，质量评估。
Systematic reviews of non-randomized studies are as common as reviews of randomized controlled trials.
非随机对照试验的系统评价与随机对照试验的系统评价一样是普遍开展的。
Data sources: MEDLINE and Cochrane Database of Systematic Reviews from 1950 to January 2010, reference lists, experts, and unpublished sources.
数据来源：MEDLINE数据库和考克兰系统评价数据库，从1950年到2010年1月，参考文献列表，专家，和未发表的资料。
HOW do you incorporate the results of organizational PERFORMANCE reviews into the SYSTEMATIC evaluation and improvement of KEY PROCESSES?
如何把组织绩效的评审结果用于关键过程的系统评价和改进？
What about the argument that children who eat breakfast behave and perform better in school? Systematic reviews find that this is often the case.
吃早餐的孩子在学校里表现得更好，这种观点又怎样呢？通过系统性汇总可以发现，情况常常如此。
Were the previous relevant systematic reviews integrated?
③是否整合了之前相关的系统评价？
Second, most of the world's clinical evidence does not come from China. Few results from China have been included in systematic reviews or clinical practice guidelines.
那么，为何在国际医学领域却少有来自我国的临床研究数据及证据呢？
Second, most of the world's clinical evidence does not come from China. Few results from China have been included in systematic reviews or clinical practice guidelines.
那么，为何在国际医学领域却少有来自我国的临床研究数据及证据呢？
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