Medical statistician

Trials require medical statistical expertise at all stages of their design and conduct, and this should be available from as early a stage in the trial's development as possible. Such expertise is essential for defining the appropriate trial design, sample size and statistical methods, and for undertaking and interpreting interim analyses for the data monitoring and ethics committee during the intake to the trial, and final analyses for published reports on its completion.

Whenever possible, the same statistician should be responsible for both design and analyses. It is also highly desirable for the statistician to have experience in the relevant disease area.

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