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Table 2 Frequency of multiple-test correction by nature of experimental arms

From: Correcting for multiple-testing in multi-arm trials: is it necessary and is it done?

  Exploratory trials Confirmatory trials
Multiple doses of same treatment 8/13 (62%) 8/12 (67%)
Multiple regimens of same treatment 2/3 (67%) 6/10 (60%)
Separate treatments 3/6 (50%) 6/20 (30%)