研究设计：前瞻性随机对照研究。
方法：采用平行双盲随机对照研究。
METHODS: The parallel double blind randomized control clinical trial was used.
方法：采用前瞻性的随机对照研究。
设计：完全随机对照研究。
前瞻性的随机对照研究。
设计：以患者为研究对象的随机对照研究。
方法：本研究采用单纯随机对照研究设计。
Methods: This study adopted simple randomized controlled design.
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.
设计：随机对照研究。
设计：随机对照研究。
设计：随机对照研究。
设计非随机对照研究。
设计：随机对照研究。
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.
我们也排除了半随机对照研究和使用交叉设计的试验。
We also excluded quasi-randomised trials and trials using a cross-over design.
结果共纳入29个随机对照研究，2 337例患者。
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.
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。
Li KJ. Naoxin capsule for acute stroke: a systematic review of randomized controlled trials.
然而，没有随机对照研究评估生活方式治疗设备对腰背痛发病率的影响。
Nevertheless, no randomized controlled trial has assessed effectiveness of lifestyle intervention for the treatment of hypertension on the prevalence of low back pain.
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.
应当开展多中心协作和随机对照研究，以进一步确定再障中西医结合的疗效。
The multi central collaboration and random trials should be developed so as to confirm the effectiveness further.
没有人就运动锻炼对慢性病病人抑郁症状影响的随机对照研究进行过系统回顾。
To our knowledge, randomized controlled trials of the effects of exercise training on depressive symptoms among patients with a chronic illness have not been systematically reviewed.
局部介入化疗在小样本的研究中获得肯定，但仍缺乏大样本随机对照研究予以证实；
The local interventional chemotherapy is apprved in some studies with small sample, but still lacks of large sample randomized controlled study to confirm.
然而，直到2009年第一篇关于筛查效果的有说服力的随机对照研究文章才被发表。
However, the first valid reports from randomized controlled trials on the efficacy of screening were not published until 2009.
方法采用随机对照研究方法，将100例入住ICU患者分为对照组和干预组按常规护理50例。
Methods A randomized control study of 100 cases in ICU was carried out in this hospital, they were divided into control group and intervention group with 50 cases in each group.
欧洲前列腺癌筛查随机对照研究中，筛查组中死于前列腺癌的患者的比例比对照组低将近20%。
Men in the screening group in the European Randomized Study of Screening for Prostate Cancer were 20% less likely than those in the control group to die from prostate cancer.
结论：中医药治疗肛瘘的临床随机对照研究文献逐年增多，但仍存在一些问题，质量有待提高加强。
There are deficiencies in these RCTs and it is necessary to improve the quality of clinical research in TCM.
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.
采用单纯随机对照研究设计，把80个心境障碍稳定期的患者随机分为研究组和对照组，每组40个。
With the purely randomized controlled study design, 80 stable clients were randomly split into a control group and research group of 40 each.
采用单纯随机对照研究设计，把80个心境障碍稳定期的患者随机分为研究组和对照组，每组40个。
With the purely randomized controlled study design, 80 stable clients were randomly split into a control group and research group of 40 each.
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