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Table 11 Means and SDs of random variable A 1 for the simulations in Table 3, computed under H 0

From: Designs for clinical trials with time-to-event outcomes based on stopping guidelines for lack of benefit

Sig. Level α 1

ω1 = 0.90

ω1 = 0.95

ω1 = 0.99

  

Mean

SD

Mean

SD

Mean

SD

0.5

0.000

0.043

0.995

0.018

1.006

0.004

1.000

0.25

-0.674

-0.670

1.017

-0.667

1.015

-0.673

1.005

0.1

-1.282

-1.278

1.021

-1.286

1.013

-1.277

1.014

0.05

-1.645

-1.647

1.018

-1.648

1.019

-1.646

1.014

0.025

-1.960

-1.955

1.031

-1.955

1.019

-1.963

1.018