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Professor Michael Barkham The PRaCTICED Trial

Professor Michael Barkham The PRaCTICED Trial

Professor Michael Barkham The PRaCTICED Trial

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Non-­‐inferiority trial Decision: Adopt a non-­‐inferiority design Index of non-­inferiority is 2 points on PHQ-­‐9 Non-­‐inferiority trial requires 550 to start treatment – 275 per treatment arm CPSR, University of Sheffield 19

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