Yongdong Ouyang

Latest

• A review of current practice in the design and analysis of extremely small stepped-wedge cluster randomized trials
• Using Bayesian pre-trial simulations to optimize the design of adaptive clinical trials in childhood nephrotic syndrome
• Using Simulation to Optimize the Design of Adaptive Clinical Trials
• Maintaining the validity of inference from linear mixed models in stepped-wedge cluster randomized trials under misspecified random-effects structures
• Proportional Assist Ventilation for Minimizing the Duration of Mechanical Ventilation (the PROMIZING study): update to the statistical analysis plan for a randomized controlled trial
• A Hospital-Wide Open-Label Cluster Crossover Pragmatic Comparative Effectiveness Randomized Trial Comparing Normal Saline to Ringer’s Lactate: Protocol and Statistical Analysis Plan of The FLUID Trial
• A Scoping Review described diversity in methods of randomization and reporting of baseline balance in Stepped-Wedge Cluster Randomized Trials
• Accounting for complex intracluster correlations in longitudinal cluster randomized trials: a case study in malaria vector control
• Adherence to key recommendations for design and analysis of stepped-wedge cluster randomized trials: A review of trials published 2016-2022
• Cervical spine injuries in adults ≥ 65 years after low-level falls – A systematic review and meta-analysis
• Does it decay? Obtaining decaying correlation parameter values from previously analysed cluster randomised trials
• Duration of Adjunctive Antidepressant Maintenance in Bipolar I Depression
• Estimating intra-cluster correlation coefficients for planning longitudinal cluster randomized trials: a tutorial
• Evaluating the effectiveness of a multifaceted intervention to reduce low-value care in adults hospitalized following trauma: a protocol for a pragmatic cluster randomized controlled trial
• Control of Line Complications with KiteLock (CLiCK) in the critical care unit: study protocol for a multi-center, cluster-randomized, double-blinded, crossover trial investigating the effect of a novel locking fluid on central line complications in the critical care population
• Reporting of and explanations for under-recruitment and over-recruitment in pragmatic trials: a secondary analysis of a database of primary trial reports published from 2014 to 2019
• Sample size calculators for planning stepped-wedge cluster randomized trials: a review and comparison
• The impact of learner involvement in emergency department patient assessments on short-term return visits requiring hospital admission: a cross-sectional study
• CRTpowerdist: An R package to calculate attained power and construct the power distribution for cross-sectional stepped-wedge and parallel cluster randomized trials
• Improving efficiency in the stepped-wedge trial design via Bayesian modeling with an informative prior for the time effects
• Methods for dealing with unequal cluster sizes in cluster randomized trials: A scoping review
• Explaining the variation in the attained power of a stepped-wedge trial with unequal cluster sizes
• Increasing the power of randomized trials comparing different treatment durations
• The randomization-induced risk of a trial failing to attain its target power: assessment and mitigation