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. Author manuscript; available in PMC: 2017 Apr 15.
Published in final edited form as: Stat Med. 2015 Oct 5;35(8):1299–1314. doi: 10.1002/sim.6754

Table 2.

Simulation results for comparison of AUC, AARD, and MRD from JM2 to the other 3 models under simulation Scenario 2. Percent gain and estimated percent gain are calculated as (JM2−JM1)/True and (JM2−JM1)/JM2 respectively.

Cox’s(Baseline) Cox’s(time-dependent) JM1 JM2 % gain (JM2 vs JM1)





t True Mean ESD Mean ESD Mean ESD Mean ESD True Estimated
AUC
3 0.791 0.696 0.027 0.659 0.028 0.696 0.025 0.749 0.024 0.067 0.071
3.5 0.811 0.696 0.025 0.663 0.025 0.704 0.023 0.763 0.021 0.073 0.077
4 0.830 0.694 0.022 0.665 0.024 0.709 0.022 0.775 0.019 0.08 0.085
4.5 0.851 0.693 0.023 0.669 0.023 0.713 0.023 0.786 0.019 0.086 0.093
5 0.871 0.694 0.024 0.675 0.024 0.717 0.022 0.798 0.019 0.093 0.102
AARD
3 0.434 0.288 0.048 0.231 0.048 0.288 0.045 0.368 0.050 0.184 0.217
3.5 0.465 0.285 0.044 0.233 0.044 0.299 0.043 0.388 0.041 0.191 0.229
4 0.502 0.281 0.042 0.229 0.043 0.303 0.045 0.405 0.038 0.203 0.252
4.5 0.540 0.278 0.042 0.231 0.044 0.308 0.046 0.420 0.039 0.207 0.267
5 0.582 0.279 0.043 0.233 0.045 0.311 0.042 0.436 0.038 0.215 0.287
MRD
3 0.258 0.084 0.022 0.112 0.024 0.071 0.016 0.154 0.021 0.322 0.539
3.5 0.303 0.097 0.023 0.127 0.024 0.089 0.019 0.186 0.022 0.32 0.522
4 0.337 0.103 0.023 0.127 0.023 0.103 0.020 0.211 0.022 0.32 0.512
4.5 0.362 0.104 0.023 0.119 0.022 0.114 0.021 0.230 0.022 0.32 0.504
5 0.379 0.102 0.022 0.108 0.022 0.121 0.021 0.244 0.022 0.325 0.504