Randomized controlled trials carry more weight.
随机对照试验更有信服力。
In controlled trials, 484 were base line comparable.
对照研究中，试验前进行过均衡性检验者484篇。
Study Design. A systematic review of randomized controlled trials.
研究设计：随机对照试验的系统评价。
Good quality controlled trials are needed to answer this question.
要回答这个问题，需要品质好的对照性的试验。
However, randomized, sham-controlled trials are needed to verify the findings.
然而，随机，假对照试验是必要的核实结果。
Li KJ. Naoxin capsule for acute stroke: a systematic review of randomized controlled trials.
李可建。对脑心通胶囊治疗缺血性中风急性期随机对照研究的系统评价。
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。
Behavioral interventions, although promising, have not been evaluated in large-scale controlled trials.
行为干预，似乎具有应用前景，但尚缺乏大规模对照试验的支持。
Drugs are approved or removed from the market on the basis of evidence from randomized, controlled trials.
药物是否批准上市或是撤市取决于随机对照的试验证据。
As a research target, autism has suffered from companies' reluctance to run large placebo-controlled trials.
作为一项研究目标，自闭症研究正遭遇瓶颈，制药公司们不愿意进行大规模的安慰剂对照试验。
These aren't randomized controlled trials, and there could be other factors at play that we aren't measuring.
这些研究不是随机对照试验，也可能有其他我们并未予以衡量的因素在发挥作用。
Data from 62 studies, including randomized controlled trials and post-marketing studies, were included in the review.
资料来源于62项研究，包括随机对照试验和上市后研究。
Its recommendations were based on a systematic review that focused on evidence from randomized controlled trials.
这些建议是基于系统的检讨，从随机对照试验的证据为重点。
They identified 11 studies (seven prospective studies and three randomised controlled trials) involving 149,203 people.
他们确定了包含149203人的11项研究（其中有7项预期实验和3项随机对照实验）。
The overall results of 23 randomized controlled trials showed that exercise most likely improves the symptoms of depression.
23项随机对照试验的总体结果表明，运动最可能改善抑郁症症状。
This isn't a conclusion based simply on some cohort or case-control studies. There are many, many randomized controlled trials.
这一结论不只是基于一些世代研究或病例对照研究，而是基于无数随机对照试验。
The review included only double-blind randomised controlled trials, which are the best type of study for finding out the effects of a treatment.
这份研究只包含了双盲随机控制实验，这是找寻治疗效果最好的研究方式。
These Suggestions are also not supported by the scientific weight of rigorous randomized controlled trials, because little in nutrition is.
这些建议同样也没有通过严格的随机对照试验进行科学评估，因为营养学领域很少有这样的试验。
A systematic search for randomized controlled trials and prospective cohort studies comparing home-based and clinic-based medical abortion was conducted.
对比较在家里或在诊所进行药物流产的随机对照试验和前瞻性群组研究进行系统搜索。
The USPSTF comments that since its last review in 2002, no good-quality randomized controlled trials of screening for prostate cancer have been completed.
USPSTF评论说自从2002年作过回顾综述以后，尚没有已完成的高质量的前列腺癌方面的随机对照研究。
Few randomized controlled trials exist. Those that do, although methodologically weak like most nutrition studies, don't support the necessity of breakfast.
很少有人开展随机对照试验。和大多数营养学研究一样，仅有的几项随机对照试验存在方法上的不足，不过它们也不支持有必要吃早餐的观点。
We performed a systematic review and meta-analysis of published randomized, controlled trials to assess the overall risk for severe proteinuria with bevacizumab.
我们对已发表的随机、对照试验进行一项系统性回顾和荟萃分析，以评估应用贝伐单抗治疗引起重症蛋白尿的整体风险。
Double blind controlled trials have shown thatCoQ10 improves symptoms, functional capacity and quality of life in patients with heart failure with no side effects.
双盲控制试验表明辅酶Q10改善心衰患者症状，功能及生活质量且没有副作用。
Just two weeks ago, the latest in a line of randomized controlled trials of folic acid was reported at the American Heart Association (AHA) 2006 Scientific Sessions.
就在两周前，在美国心脏学会2006年科学会议上报告了一系列最新的关于叶酸的随机对照实验。
There have been some misconceptions around the application of EBM and that it is synonymous with randomized controlled trials (RCTs) or based purely on levels of evidence.
人们对于循证医学的应用有些误解，经常把它同随机对照实验相混淆，或者理解为纯粹基于证据的等级。
In asystematic review of 14 randomized controlled trials conducted between 1963 and1999, researchers evaluated the effect of annual health checkups on morbidityand mortality.
研究人员系统性地回顾了1963至1999年的14项随机对照试验，评估了每年健康体检对生存率和死亡率的影响。
In asystematic review of 14 randomized controlled trials conducted between 1963 and1999, researchers evaluated the effect of annual health checkups on morbidityand mortality.
研究人员系统性地回顾了1963至1999年的14项随机对照试验，评估了每年健康体检对生存率和死亡率的影响。
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