Table 3.
Operating characteristics of proposed two-stage dose-assignment design in Settings 4 and 5 with varying parameter values. Boldface indicates MSD. First row for each setting contains values presented in Table 1. First five columns of values are the percentage of simulations in which each dose was selected as the MSD; the last five columns of values are the average proportion of subjects assigned to each dose
| Setting | (A, ρ) | MSD selection
|
Dose assignments
|
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dose
|
Dose
|
||||||||||
| 1 | 2 | 3 | 4 | 5 | 1 | 2 | 3 | 4 | 5 | ||
| 4 | (1, 0.0) | 0.01 | 0.06 | 0.20 | 0.48 | 0.26 | 0.09 | 0.16 | 0.22 | 0.29 | 0.24 |
| (2, 0.0) | 0.01 | 0.05 | 0.22 | 0.48 | 0.25 | 0.10 | 0.16 | 0.22 | 0.28 | 0.24 | |
| (5, 0.0) | 0.01 | 0.06 | 0.21 | 0.49 | 0.24 | 0.11 | 0.16 | 0.23 | 0.28 | 0.22 | |
| (1, 0.5) | 0.00 | 0.04 | 0.19 | 0.54 | 0.23 | 0.08 | 0.13 | 0.21 | 0.32 | 0.26 | |
| (2, 0.5) | 0.01 | 0.06 | 0.20 | 0.54 | 0.19 | 0.09 | 0.13 | 0.22 | 0.32 | 0.25 | |
| (5, 0.5) | 0.01 | 0.05 | 0.20 | 0.54 | 0.20 | 0.09 | 0.13 | 0.23 | 0.31 | 0.23 | |
| (1, 0.8) | 0.02 | 0.06 | 0.18 | 0.52 | 0.23 | 0.09 | 0.12 | 0.21 | 0.33 | 0.26 | |
| (2, 0.8) | 0.01 | 0.06 | 0.18 | 0.52 | 0.22 | 0.09 | 0.12 | 0.22 | 0.32 | 0.25 | |
| (5, 0.8) | 0.02 | 0.06 | 0.21 | 0.54 | 0.18 | 0.09 | 0.13 | 0.24 | 0.32 | 0.22 | |
| 5 | (1, 0.0) | 0.06 | 0.22 | 0.54 | 0.17 | 0.00 | 0.18 | 0.26 | 0.32 | 0.19 | 0.04 |
| (2, 0.0) | 0.06 | 0.27 | 0.53 | 0.14 | 0.00 | 0.19 | 0.28 | 0.32 | 0.18 | 0.04 | |
| (5, 0.0) | 0.08 | 0.28 | 0.53 | 0.11 | 0.00 | 0.21 | 0.28 | 0.31 | 0.16 | 0.03 | |
| (1, 0.5) | 0.05 | 0.22 | 0.55 | 0.18 | 0.00 | 0.17 | 0.27 | 0.32 | 0.20 | 0.04 | |
| (2, 0.5) | 0.07 | 0.21 | 0.57 | 0.15 | 0.00 | 0.18 | 0.28 | 0.33 | 0.19 | 0.03 | |
| (5, 0.5) | 0.10 | 0.26 | 0.55 | 0.09 | 0.00 | 0.20 | 0.30 | 0.31 | 0.16 | 0.03 | |
| (1, 0.8) | 0.06 | 0.23 | 0.56 | 0.16 | 0.00 | 0.17 | 0.27 | 0.32 | 0.20 | 0.04 | |
| (2, 0.8) | 0.09 | 0.22 | 0.57 | 0.12 | 0.00 | 0.19 | 0.29 | 0.32 | 0.18 | 0.03 | |
| (5, 0.8) | 0.14 | 0.29 | 0.53 | 0.04 | 0.00 | 0.24 | 0.31 | 0.30 | 0.13 | 0.02 | |
MSD: most successful dose.