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Fig. 4 | BMC Medical Research Methodology

Fig. 4

From: Selecting a randomization method for a multi-center clinical trial with stochastic recruitment considerations

Fig. 4

Boxplots of efficiency (relative to the idealized balanced design) in estimating the treatment effect assuming a linear model without covariates (Trial level, \({RE}_{1}\)), a linear model with region as a covariate (Region level, \({RE}_{2}\)), and a linear model with center as a covariate (center level, \({RE}_{3}\)) for 16 randomization designs under Scenario 1

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BMC Medical Research Methodology

ISSN: 1471-2288

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