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. Author manuscript; available in PMC: 2016 Dec 1.
Published in final edited form as: Stat Methods Med Res. 2014 May 11;25(6):2909–2924. doi: 10.1177/0962280214534412

Table 2.

Bias and MSE of the estimate of the exponential hazard ratio, exp(γage), in Equation(3) for sample sizes 300 and 1000

Sample Size 300 Sample Size 1000
Model Weibull G Weibull Model Weibull G Weibull
Hazard Ratio (HR) bias mse*103 bias mse*103 bias mse*103 bias mse*103 bias mse*103 bias mse*103
1→2 1.051 −0.0133 0.50 −0.0127 0.54 −0.0124 0.59 −0.0105 0.23 −0.009 0.21 −0.0106 0.25
1→3 1.051 −0.0135 0.58 −0.0123 0.49 −0.0135 0.46 −0.0116 0.25 −0.0104 0.23 −0.0103 0.22
1→5 1.051 −0.0166 0.47 −0.0145 0.46 −0.0153 0.45 −0.0145 0.27 −0.0138 0.28 −0.0142 0.28
2→1 1.051 −0.0216 0.98 −0.0225 0.94 −0.0217 0.93 −0.0201 0.52 −0.018 0.47 −0.0191 0.50
2→3 1.051 −0.0217 0.86 −0.0215 0.81 −0.0228 0.87 −0.0206 0.55 −0.0204 0.56 −0.0221 0.61
2→4 1.051 −0.0201 0.75 −0.0203 0.79 −0.0212 0.72 −0.0202 0.52 −0.0189 0.47 −0.0195 0.50
2→5 1.051 −0.0193 0.67 −0.0181 0.64 −0.0196 0.60 −0.0186 0.44 −0.0173 0.4 −0.018 0.41
3→1 1.051 0.0029 0.17 0.0025 0.16 0.0034 0.15 0.0007 0.07 −0.0005 0.12 −0.0004 0.10
3→2 1.051 −0.0211 0.86 −0.0188 0.84 −0.0197 0.75 −0.0177 0.43 −0.0180 0.47 −0.0175 0.40
3→4 1.051 −0.0194 0.63 −0.0183 0.72 −0.0168 0.63 −0.0175 0.40 −0.0162 0.37 −0.0160 0.37
3→5 1.051 −0.0205 0.62 −0.0193 0.63 −0.0191 0.60 −0.0196 0.47 −0.0194 0.48 −0.0193 0.46