type known.designs() in PowerTOST [Study As­sess­ment]

posted by Rosy – Mexico, 2019-02-20 17:14 (582 d 05:16 ago) – Posting: # 19942
Views: 6,076

Hi Helmut :)

A vs B ----> IC (84.9-106) ----> 19.16
A vs C ----> IC (169-211) -----> 19.16
B vs C ----> IC (178-222) -----> 19.07


If i assume a 3x3 design, i will have a %CV of each comparation after calculation (100*CVfromCI(lower=1.69, upper=2.11, n=17, design='3x3), that is almost the same in each case, that is consider the intra-individual variability of the drug to calculate a sample size for a 2x2 study?

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