Table 2.
Mean | 0% | 25% | 50% | 75% | 100% | ||
---|---|---|---|---|---|---|---|
Panel (a): n = 80 | |||||||
Dynamic block randomization | |||||||
Block size = 20 | 0.010 | 0 | 0.008 | 0.010 | 0.013 | 0.021 | |
Block size = 10 | 0.038 | 0.005 | 0.028 | 0.038 | 0.049 | 0.097 | |
Minimization | |||||||
Pk = 2/3 | 0.155 | 0.008 | 0.080 | 0.130 | 0.204 | 0.747 | |
Pk = 3/4 | 0.090 | 0.004 | 0.048 | 0.073 | 0.117 | 0.482 | |
Pk = 0.8 | 0.067 | 0.004 | 0.035 | 0.056 | 0.084 | 0.380 | |
Pk = 0.9 | 0.037 | 0.002 | 0.021 | 0.032 | 0.048 | 0.177 | |
Pk = 1 | 0.024 | 0.003 | 0.015 | 0.021 | 0.031 | 0.084 | |
Simple randomization | 0.349 | 0.018 | 0.196 | 0.305 | 0.458 | 1.703 | |
Panel (b): n = 60 | |||||||
Dynamic block randomization | |||||||
Block size = 20 | 0.020 | 0 | 0.015 | 0.021 | 0.025 | 0.039 | |
Block size = 10 | 0.065 | 0.004 | 0.048 | 0.064 | 0.081 | 0.153 | |
Minimization | |||||||
Pk = 2/3 | 0.249 | 0.016 | 0.129 | 0.213 | 0.331 | 1.073 | |
Pk = 3/4 | 0.149 | 0.005 | 0.080 | 0.122 | 0.194 | 0.933 | |
Pk = 0.8 | 0.119 | 0.004 | 0.062 | 0.098 | 0.153 | 0.539 | |
Pk = 0.9 | 0.067 | 0.004 | 0.037 | 0.056 | 0.086 | 0.276 | |
Pk = 1 | 0.044 | 0.003 | 0.026 | 0.040 | 0.055 | 0.275 | |
Simple randomization | 0.459 | 0.041 | 0.261 | 0.399 | 0.611 | 1.894 | |
Panel (c): n = 40 | |||||||
Dynamic block randomization | |||||||
Block size = 20 | 0.047 | 0 | 0.035 | 0.045 | 0.059 | 0.118 | |
Block size = 10 | 0.140 | 0.010 | 0.104 | 0.136 | 0.174 | 0.657 | |
Minimization | |||||||
Pk = 2/3 | 0.445 | 0.027 | 0.251 | 0.386 | 0.570 | 2.109 | |
Pk = 3/4 | 0.308 | 0.026 | 0.165 | 0.265 | 0.406 | 1.293 | |
Pk = 0.8 | 0.245 | 0.023 | 0.132 | 0.205 | 0.317 | 1.427 | |
Pk = 0.9 | 0.161 | 0 | 0.087 | 0.138 | 0.208 | 1.103 | |
Pk = 1 | 0.101 | 0.010 | 0.062 | 0.089 | 0.127 | 0.452 | |
Simple randomization | 0.703 | 0.057 | 0.398 | 0.630 | 0.913 | 2.461 |