corr_rest_b

<p>computes the correlation restrictions
phat0_e1,phat0_e2: estimated probabilities
p0_e1,p0_e2,p1_e1,p1_e2: assumed probabilities (design)
OR1,OR2: expected effect sizes</p>

internal

Endpoint selection and sample size reassessment for multiple binary endpoints based on blinded and/or unblinded data. Trial design that allows an adaptive modification of the primary endpoint based on blinded information obtained at an interim analysis. The decision rule chooses the endpoint with the lower estimated required sample size. Additionally, the sample size is reassessed using the estimated event probabilities and correlation between endpoints. The implemented design is proposed in Bofill Roig, M., Gómez Melis, G., Posch, M., and Koenig, F. (2022). <doi:10.48550/arXiv.2206.09639>.

corr_rest_b: corr_rest

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