必应词典为您提供cluster-randomized-trial的释义,网络释义: 组群随机试验;丛集随机分派试验;随机群组式的试验;
A covariate-constrained algorithm was used to randomize facilities in the Trial to Reduce Antimicrobial use In Nursing home residents with Alzheimer's Disease and other Dementias (TRAIN-AD), an ongoing trial in Boston-area facilities (14 facilities/arm). Publicly available 2015 data were leveraged ...
This makes the stepped wedge design particularly useful for evaluating the population-level impact of an intervention that has been shown to be effective in an individually randomized trial. The unidirectional aspect of the crossover does, however, complicate the analysis since the treatment effect ...
ter randomized trial design and analysis. For general treatments of multilevel model analysis, see [26, 57]. This chapter is organized into three sections: randomization, analysis, and sample size and power. R code to implement methods is provided. Due to space constraints, we confine our ...
Salt substitute compared with usual salt lowered systolic blood pressure (–7.1 mmHg, 95% confidence interval (CI) –10.5 to –3.8), meeting the primary outcome of the trial, whereas restricted supply compared with usual supply of salt or salt substitute had no effect on systolic blood ...
In a randomized clinical or field trial, when randomization units are comprised of groups of individuals, many aspects of design and analysis differ greatly from those of an individually randomized trial. In this chapter, we highlight those features which differ the most, explaining the nature of...
cluster,controlledtrial, methodology,randomized Acceptedforpublication: 16September2004 Clusterrandomizedcontrolledtrials SuezannPufferBSc, 1 DavidJ.TorgersonPhD 2 andJudithWatsonPhD 3 1 ResearchAssistant, 2 Director, 3 ResearchFellow,YorkTrialsUnit,DepartmentofHealthSciences,UniversityofYork, ...
et al. Helicobacter pylori eradication to prevent gastric cancer in a high-risk region of China: a randomized controlled trial. JAMA 291, 187–194 (2004). CAS PubMed Google Scholar Yan, L. et al. Effect of Helicobacter pylori eradication on gastric cancer prevention: updated report from a...
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trial involving asymptomatic contacts of patients with polymerase-chain-reaction (PCR)–confirmed Covid-19 in Catalonia, Spain. We randomly assigned clusters of contacts to the hydroxychloro-quine group (which received the drug at a dose of 800 mg once, followed by 400 mg daily for 6 days) ...