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. Author manuscript; available in PMC: 2015 Aug 12.
Published in final edited form as: J Biopharm Stat. 2014 Jun 6;25(5):903–920. doi: 10.1080/10543406.2014.920873

Table 3.

Selection percentages for each dose under the proposed method for various design specifications. The maximum sample size for each simulated trial was N = 48 patients. The OBD in each scenario is indicated in bold-type.

Scenario 1 True (toxicity, efficacy) probability
(0.01, 0.30) (0.05, 0.50) (0.10, 0.60) (0.15, 0.40) (0.20, 0.25)
ψ = 0; nR = 12 0.069 0.321 0.515 0.078 0.017
ψ = 0; nR = 24 0.049 0.327 0.567 0.053 0.004
ψ = 0; nR = 36 0.042 0.305 0.593 0.058 0.002
ψ = 0; nR = 48 0.062 0.285 0.587 0.060 0.006
ψ = −2; nR = 12 0.082 0.315 0.513 0.077 0.013
ψ = 2; nR = 12 0.063 0.303 0.512 0.107 0.015

Scenario 2 (0.02, 0.38) (0.06, 0.50) (0.12, 0.40) (0.30, 0.30) (0.40, 0.25)

ψ = 0; nR = 12 0.253 0.481 0.211 0.050 0.005
ψ = 0; nR = 24 0.241 0.538 0.182 0.034 0.005
ψ = 0; nR = 36 0.255 0.542 0.180 0.021 0.002
ψ = 0; nR = 48 0.265 0.537 0.158 0.035 0.005
ψ = −2; nR = 12 0.227 0.512 0.205 0.051 0.005
ψ = 2; nR = 12 0.250 0.468 0.206 0.064 0.012

Scenario 3 (0.03, 0.25) (0.09, 0.35) (0.16, 0.48) (0.28, 0.65) (0.42, 0.52)

ψ = 0; nR = 12 0.098 0.124 0.278 0.474 0.026
ψ = 0; nR = 24 0.061 0.095 0.271 0.540 0.033
ψ = 0; nR = 36 0.048 0.082 0.266 0.561 0.043
ψ = 0; nR = 48 0.061 0.061 0.215 0.539 0.124
ψ = −2; nR = 12 0.078 0.130 0.297 0.455 0.040
ψ = 2; nR = 12 0.073 0.118 0.256 0.526 0.027

Scenario 4 (0.02, 0.68) (0.05, 0.56) (0.07, 0.49) (0.09, 0.40) (0.11, 0.33)

ψ = 0; nR = 12 0.627 0.211 0.115 0.034 0.013
ψ = 0; nR = 24 0.672 0.230 0.084 0.009 0.005
ψ = 0; nR = 36 0.713 0.206 0.069 0.011 0.001
ψ = 0; nR = 48 0.748 0.183 0.055 0.011 0.003
ψ = −2; nR = 12 0.644 0.214 0.094 0.031 0.017
ψ = 2; nR = 12 0.622 0.216 0.099 0.045 0.018