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Table 3 Predictability of permuted block design (PBD) and big stick design (BSD) for different values of maximum tolerated imbalance (MTI)

From: A roadmap to using randomization in clinical trials

MTI

Proportion of Deterministic Assignments

Excess Correct Guess

Probability

PBD

BSD

PBD

BSD

1

50%

50%

25%

25%

2

33.3%

25%

20.8%

12.5%

3

25%

16.7%

18.3%

8.3%