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. 2018 Mar 9;5(4):474–485. doi: 10.1002/acn3.550

Table 2.

Predicted Survival Stratification

Treatment arm Placebo arm
Predicted survival percentile Predicted survival percentile
≤20th >20th to <90th ≥90th ≤20th >20th to <90th ≥90th
20 70 10 20 70 10
treatment arm Placebo arm
Predicted survival percentile Predicted survival percentile
≤25th >25th to <75th ≥75th ≤25th >25th to <75th ≥75th
25 50 25 25 50 25
Treatment arm Placebo arm
Predicted survival percentile Predicted survival percentile
≤33rd >33rd to <66th ≥66th ≤33rd >33rd to <66th ≥66th
33 34 33 33 34 33
Treatment arm Placebo arm
Predicted survival percentile Predicted survival percentile
≤50th >50th ≤50th >50th
50 50 50 50

A theoretical, idealized traditional stratification scheme of a 200‐subject study using predicted survival as a single stratifier and dividing strata at different percentiles.