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If a clinical trial has two endpoints (A & B) that are correlated, and say to achieve a 90% power, you need 200 people enrolled for endpoint A and 400 for endpoint B if A and B were tested separately, how many people would you need to enroll to achieve a 90% power if both endpoints were to be tested jointly?
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Principal Biostatistician

Interviewed at Incyte

4.3★
Oct 18, 2024

If a clinical trial has two endpoints (A & B) that are correlated, and say to achieve a 90% power, you need 200 people enrolled for endpoint A and 400 for endpoint B if A and B were tested separately, how many people would you need to enroll to achieve a 90% power if both endpoints were to be tested jointly?

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