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. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: Cancer. 2012 Mar 20;118(21):5358–5365. doi: 10.1002/cncr.27528

Table 5.

Simulation Results of the TTP Estimates (N=50, 1000 simulation runs)

Disease Assessment Schedule Average Time-to-Progression Estimate in Months (% Difference from the True Median TTP)
Method 1 Method 2 Method 3

4 weeks 5.1 (10.9%) 4.3 (-8.3%) 4.6 (1.1%)
6 weeks 5.3 (15.5) 4.0 (-12.8%) 4.6 (0.3%)
8 weeks 5.6 (21.1%) 3.8 (-18.0%) 4.7 (1.2%)
10 weeks 5.8 (26.3%) 3.5 (-23.6%) 4.6 (0.3%)
12 weeks 6.0 (30.2%) 3.3 (-28.5%) 4.6 (-0.2%)