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. Author manuscript; available in PMC: 2016 Apr 27.
Published in final edited form as: Stat Med. 2014 Nov 20;34(5):796–811. doi: 10.1002/sim.6375

Table 2.

Bias and coverage in point and interval estimates of expected survival when β = 1.5

Model True Weibull Cox-like Poly-Weibull
1: Weibull Mean 14.32 14.31 14.71 14.76
Bias (%) −0.01 (−0.1%) 0.39 (2.7%) 0.44 (3.1%)
Coverage 0.94 0.98 0.96

  2: Decreasing Mean 14.22 13.40 13.75 14.16
  cause-specific Bias (%) −0.82 (−5.8%) −0.47 (−3.3%) −0.06 (−0.4%)
  relative hazard Coverage 0.78 0.96 0.72

3: Rapidly decreasing Mean 19.78 14.19 17.10 19.15
cause-specific relative Bias (%) −5.62 (−28.4%) −2.68 (−13.5%) −0.63 (−3.20%)
hazard Coverage 0.00 0.80 0.90