Sample Size and Power
Sample Size and Power
Sample Size and Power
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Phase I Note<br />
• *Implicitly targets a dose with Pr<br />
(Toxicity) ≤ 0.17; if at 1/3+1/3 decide<br />
current level is MTD then the Pr<br />
(Toxicity) ≤ 033 0.33<br />
• Entry of patients to a new dose level<br />
does not occur until all patients in the<br />
previous level are beyond a certain<br />
time frame where you look for toxicity<br />
• Not a power or sample size calculation<br />
issue