Procedures are outlined for implementing the trial wedge method using a spreadsheet-based approach. The method is applied to two test walls that were intentionally brought to failure, the Amherst Test Wall in clay, and the Clouterre Test Wall No. 1 in sa...
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Stepped-wedge cluster randomised controlled trials: a generic framework including parallel and multiple-level designs. Stat Med. 2015;34(2):181–96. Article PubMed Google Scholar Copas AJ, et al. Designing a stepped wedge trial: three main designs, carry-over effects and randomisation approaches...
Interdisciplinary intervention (GAIN) for adults with post-concussion symptoms: a study protocol for a stepped-wedge cluster randomised trial. Trials. 2022;23(1):613. Article PubMed PubMed Central Google Scholar Sygeforsikringen “danmark” giver 6,6 mio. kroner til hjerneforskningsprojekt ...
The invention is directed toward a trial golf club head and method for determining the optimal loft angle for any golf club, and in particular a hybrid-type golf club. The invention
Design and analysis of stepped wedge cluster randomized trials 2007, Contemporary Clinical Trials Show abstract Probability of HIV-1 transmission per coital act in monogamous, heterosexual, HIV-1-discordant couples in Rakai, Uganda 2001, Lancet Show abstract Rates of HIV-1 transmission per coital act...
For each hospital we have determined a mini- mum number of patients in the baseline group and intervention group, depending on the randomization order of the hospital in the stepped wedge. Analysis Effect evaluation We will use mixed linear models to analyse the overall effect of the introduction...
The method of implanting a femoral and a tibial knee prosthesis and instruments for surgically implanting the femoral and tibial prosthesis component as disclosed. The method includes the formation of
A general method for calculating power for GEE analysis of complete and incomplete stepped wedge cluster randomized trials 2023, Statistical Methods in Medical Research Sample size calculators for planning stepped-wedge cluster randomized trials: a review and comparison ...
A partitioning method was used to separate within-cluster and between-cluster effects to account for confounding by cluster63,64,65. In the case of too few events, and small variance among health facilities, which did not allow the model to converge, the health facility was incorporated in ...