因此，我们的对照研究给出了矛盾的结果。
So we have several controlled studies with contradictory results.
答案是“金标准”，双盲，安慰剂对照研究。
The answer is the "gold standard" double blind, placebo controlled study.
方法：前瞻性、双盲对照研究。
方法：采用随机双盲对照研究。
Methods:this was a randomized, double blind controlled trial.
研究设计：前瞻性随机对照研究。
设计：完全随机双盲实验对照研究。
DESIGN: a completely randomized, double blind controlled trial was conducted.
据我所知目前还没有相关的临床对照研究。
There are no clinical trials that I know of comparing this technology with any other.
方法采用随机双盲、安慰剂平行对照研究。
Methods A random, double blind, and placebo control study was conducted.
第一个失眠症在线项目的对照研究于2004年发布。
The first controlled study of an online program for insomnia was published in 2004.
食管手术预防性抗生素使用的随机对照研究。
A randomized controlled trial of preventive antibiotics used for esophageal operations.
方法：采用前瞻性随机双盲、安慰剂对照研究。
Methods: To adopt a random, double-blind and placebo comparative research.
研究设计：随机对照研究； 循证医学级别，1级。
Study Design: Randomized, controlled trial; Level of evidence, 1.
据我们所知，目前尚无这两种技术临床效果的直接对照研究。
To our knowledge, no direct comparison of the clinical results of the two techniques has been presented.
据我们所知，这两种方法还没有进行过前瞻性随机对照研究。
To our knowledge, no prospective randomized trial has compared the two techniques.
这项发现基于目前为止关于两种治疗方法最大样本量的对照研究。
The finding surfaced from the biggest comparison of the two treatment strategies ever carried out.
方法：在日本进行一项多中心随机双盲对比治疗的安慰剂对照研究。
METHODS: We conducted a multicenter, randomized, double - blind, parallel - treatment, placebo - controlled study in Japan.
我们进行了案例对照研究来确定脊柱外科手术部位感染的危险因素。
Risk factors for surgical site infection were determined with univariate analyses and multivariate logistic regression.
因此，我们的对照研究给出了矛盾的结果。哪个是正确的做法？授权？还是控制？
So we have several controlled studies with contradictory results. Which is the right approach? To license? Or to control?
所以实际上，双盲对照研究并不会保证疗效和安全，因为它留下太多无法回答的问题。
So, in fact, this double blind placebo controlled study does not guarantee safety or efficacy because the test leaves far too many questions unanswered.
他们对18 -55岁中重度腰背部疼痛的患者进行了一项随机对照研究。
They conducted a randomized controlled trial of 18-55 year olds with moderately severe low back.
两组随机的受控对照研究表明，除颤器不能为刚好心脏病发作的患者带来好处。
Two randomized controlled studies show that defibrillators do not benefit patients who just had a heart attack.
方法将120名AMI患者随机分为对照组及试验组(每组60例)进行对照研究。
Methods 120 patients with AMI were divided in - to study group (60 cases) and regular treatment group (60 cases) by simple randomization.
目的对照研究莫西沙星与左氧氟沙星治疗老年人呼吸道细菌感染的临床疗效及安全性。
Objective to compare the efficacy and safety of moxifloxacin and levofloxacin in treating respiratory tract bacterial infections in the senile patients.
这一类型的研究持续了10到15年，结果表明，通过病例对照研究而得出的结论站不住脚。
Those types of studies have been coming out in the last 10-15 years and have not supported the original findings [from case-control groups].
设计：以诊断为依据的非随机化同期对照研究。单位：中山大学附属第一医院康复医学科。
DESIGN: Non - randomized case controlled study based on diagnosis SETTING: Rehabilitation Medicine Department of First Affiliated Hospital of Sun Yat - sen University.
对手术来说，产生预期郊果的数据并不完美，这也是我们正在做对照研究的原因，但手术的价值是巨大的。
The data on effectiveness are not perfect, which is why we’re doing a controlled study. But they are substantial.
队列研究一般优先用于病例对照研究，由于其很少涉及的统计学问题，产生的结果一般比较可靠。
Cohort studies are generally preferred to case control studies, since they involve far fewer statistical problems and generally produce more reliable answers.
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。
Systematic reviews, randomized controlled clinical trials and clinical guideline have becoming the most important clinical research methods for evidence based medicine.
病例对照研究诣在通过对两组其他方面都类似的癌症患者与健康人群作比较，找到对癌症治疗起作用的因素。
Such studies try to identify the factors contributing to cancer by comparing people who have the disease with those who do not, but are otherwise similar.
病例对照研究诣在通过对两组其他方面都类似的癌症患者与健康人群作比较，找到对癌症治疗起作用的因素。
Such studies try to identify the factors contributing to cancer by comparing people who have the disease with those who do not, but are otherwise similar.
应用推荐