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Letter by Wolters Regarding Article, "Impact on Prehospital Delay of a Stroke Preparedness Campaign: A SW-RCT (Stepped-Wedge Cluster Randomized Controlled Trial)".

作者信息

Wolters Frank J

机构信息

Department of Epidemiology, Erasmus MC, Rotterdam, the Netherlands.

出版信息

Stroke. 2018 Apr;49(4):e165. doi: 10.1161/STROKEAHA.117.020360. Epub 2018 Feb 22.

DOI:10.1161/STROKEAHA.117.020360
PMID:29472282
Abstract
摘要

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1
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Response by Denti and Schulz to Letter Regarding Article, "Impact on Prehospital Delay of a Stroke Preparedness Campaign: A SW-RCT (Stepped-Wedge Cluster Randomized Controlled Trial)".
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Impact on Prehospital Delay of a Stroke Preparedness Campaign: A SW-RCT (Stepped-Wedge Cluster Randomized Controlled Trial).中风准备活动对院前延误的影响：一项阶梯式楔形整群随机对照试验（SW-RCT）
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Stepped wedge designs could reduce the required sample size in cluster randomized trials.阶梯式楔形设计可以减少群组随机试验所需的样本量。
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Substantial risks associated with few clusters in cluster randomized and stepped wedge designs.整群随机对照试验和阶梯式楔形设计中，少数群组存在的重大风险。
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The efficiency of stepped wedge vs. cluster randomized trials: stepped wedge studies do not always require a smaller sample size.阶梯楔形试验与整群随机试验的效率：阶梯楔形研究并不总是需要更小的样本量。
J Clin Epidemiol. 2013 Dec;66(12):1427-8. doi: 10.1016/j.jclinepi.2013.07.007. Epub 2013 Sep 10.
7
Inadequacy of ethical conduct and reporting of stepped wedge cluster randomized trials: Results from a systematic review.阶梯楔形整群随机试验的伦理行为及报告存在不足：一项系统评价的结果
Clin Trials. 2017 Aug;14(4):333-341. doi: 10.1177/1740774517703057. Epub 2017 Apr 8.
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A practical Bayesian stepped wedge design for community-based cluster-randomized clinical trials: The British Columbia Telehealth Trial.一种用于基于社区的整群随机临床试验的实用贝叶斯阶梯楔形设计：不列颠哥伦比亚远程医疗试验
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The stepped wedge cluster randomized trial always requires fewer clusters but not always fewer measurements, that is, participants than a parallel cluster randomized trial in a cross-sectional design. In reply.阶梯楔形整群随机试验通常需要的群组较少，但在横断面设计中，其测量次数（即参与者数量）并不总是比平行整群随机试验少。作为回应。
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10
Sample size calculation for stepped wedge and other longitudinal cluster randomised trials.阶梯楔形及其他纵向整群随机试验的样本量计算
Stat Med. 2016 Nov 20;35(26):4718-4728. doi: 10.1002/sim.7028. Epub 2016 Jun 28.