In a clinical trial, a stratificati...

In a clinical trial, a stratification scheme is frequently employed to control for potential treatment differences between prespecified subpopulations of patients, or strata. The goal is to maintain balance like that within each stratum, patients are allocated to the various treatment clumps according to a common sway

The impact of stratification onward drug supply management can be significant. Since information in succession stratifying factors is generally not known beforehand, it is necessary to maintain more drug treatments on hand at each site to make secure that the correct treatment is available

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