https://www.selleckchem.com/products/mlt-748.html
In stage 3, a minimization approach was used to add 20 more sites to the trial. A standardized metric based on the half-normal distribution of the absolute value of mean differences was used to assess site imbalance. After stage 3, the remaining imbalance for the 49 enrolled sites was reduced by 75% from what would have been expected from a simple randomization. Optimized randomization procedures with similar imbalance metrics should be used more routinely in pragmatic CRTs.In March 2020, when COVID-19 epidemics involved several countri
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