[HTML][HTML] Practical considerations for sample size calculation for cluster randomized trials
Cluster randomized trials are an essential design in public health and medical research,
when individual randomization is infeasible or undesirable for scientific or logistical reasons …
when individual randomization is infeasible or undesirable for scientific or logistical reasons …
Sample size determination for external pilot cluster randomised trials with binary feasibility outcomes: a tutorial
Justifying sample size for a pilot trial is a reporting requirement, but few pilot trials report a
clear rationale for their chosen sample size. Unlike full-scale trials, pilot trials should not be …
clear rationale for their chosen sample size. Unlike full-scale trials, pilot trials should not be …
Maintaining the validity of inference from linear mixed models in stepped-wedge cluster randomized trials under misspecified random-effects structures
Linear mixed<? show [AQ ID= GQ2 POS=-18pt]?><? show [AQ ID= GQ4]?><? show [AQ ID=
GQ5 POS= 12pt]?> models are commonly used in analyzing stepped-wedge cluster …
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Sample size calculations for stepped wedge designs with treatment effects that may change with the duration of time under intervention
The stepped wedge design is often used to evaluate interventions as they are rolled out
across schools, health clinics, communities, or other clusters. Most models used in the …
across schools, health clinics, communities, or other clusters. Most models used in the …
Estimates of intra-cluster correlation coefficients from 2018 USA Medicare data to inform the design of cluster randomized trials in Alzheimer's and related dementias
Abstract Background Cluster randomized trials (CRTs) are increasingly important for
evaluating interventions embedded in health care systems. An essential parameter in …
evaluating interventions embedded in health care systems. An essential parameter in …
Sample size requirements for testing treatment effect heterogeneity in cluster randomized trials with binary outcomes
Cluster randomized trials (CRTs) refer to a popular class of experiments in which
randomization is carried out at the group level. While methods have been developed for …
randomization is carried out at the group level. While methods have been developed for …
Sample size and power calculation for testing treatment effect heterogeneity in cluster randomized crossover designs
<? show [AQ ID= GQ2 POS=-12pt]?><? show [AQ ID= GQ4 POS= 2pt]?><? show [AQ ID=
GQ5 POS= 14pt]?> The cluster randomized crossover design has been proposed to improve …
GQ5 POS= 14pt]?> The cluster randomized crossover design has been proposed to improve …
Optimal designs using generalized estimating equations in cluster randomized crossover and stepped wedge trials
J Liu, F Li - Statistical Methods in Medical Research, 2024 - journals.sagepub.com
<? show [AQ ID= GQ2 POS=-12pt]?><? show [AQ ID= GQ4 POS= 4pt]?><? show [AQ ID=
GQ5 POS= 12pt]?> Cluster randomized crossover and stepped wedge cluster randomized …
GQ5 POS= 12pt]?> Cluster randomized crossover and stepped wedge cluster randomized …
A tutorial on conducting sample size and power calculations for detecting treatment effect heterogeneity in cluster randomized trials
Cluster-randomized trials (CRTs) are a well-established class of designs for evaluating large-
scale, community-based research questions. An essential task in planning these trials is …
scale, community-based research questions. An essential task in planning these trials is …
Power calculation for cross-sectional stepped wedge cluster randomized trials with a time-to-event endpoint
A popular design choice in public health and implementation science research, stepped
wedge cluster randomized trials (SW-CRTs) are a form of randomized trial whereby clusters …
wedge cluster randomized trials (SW-CRTs) are a form of randomized trial whereby clusters …