Table 3:
Full Data | Imputation | |||||||
---|---|---|---|---|---|---|---|---|
Parameter | True | Mean | SD | MSE | Mean | SD | SE | MSE |
n = 200, non-informative censoring | ||||||||
α | 1.000 | 1.0158 | 0.1382 | 0.0193 | 1.0036 | 0.1732 | 0.1686 | 0.0300 |
β 0 | 1.609 | 1.5928 | 0.1127 | 0.0130 | 1.5970 | 0.1241 | 0.1245 | 0.0156 |
β 1 | −0.500 | −0.2844 | 0.1632 | 0.0266 | −0.2724 | 0.0943 | 0.0955 | 0.0090 |
β 2 | 0.500 | 0.5042 | 0.1664 | 0.0277 | 0.5045 | 0.1859 | 0.1825 | 0.0346 |
n = 400, non-informative censoring | ||||||||
α | 1.000 | 1.0175 | 0.0965 | 0.0096 | 1.0111 | 0.1227 | 0.1190 | 0.0152 |
β 0 | 1.609 | 1.6007 | 0.0786 | 0.0062 | 1.6078 | 0.0903 | 0.0867 | 0.0082 |
β 1 | −0.500 | −0.2823 | 0.1138 | 0.0130 | −0.2736 | 0.0653 | 0.0663 | 0.0043 |
β 2 | 0.500 | 0.4960 | 0.1097 | 0.0121 | 0.4935 | 0.1276 | 0.1279 | 0.0163 |
n = 200, informative censoring | ||||||||
α | 1.000 | 1.0989 | 0.1389 | 0.0291 | 1.0575 | 0.1861 | 0.1848 | 0.0379 |
β 0 | 1.609 | 1.5934 | 0.1111 | 0.0124 | 1.3821 | 0.1249 | 0.1297 | 0.0631 |
β 1 | −0.500 | −0.2064 | 0.1670 | 0.0279 | −0.2873 | 0.1047 | 0.1060 | 0.0175 |
β 2 | 0.500 | 0.4966 | 0.1714 | 0.0294 | 0.5256 | 0.1931 | 0.1957 | 0.0379 |
n = 400, informative censoring | ||||||||
α | 1.000 | 1.1082 | 0.1000 | 0.0217 | 1.0736 | 0.1326 | 0.1316 | 0.0230 |
β 0 | 1.609 | 1.6054 | 0.0807 | 0.0065 | 1.4010 | 0.0957 | 0.0911 | 0.0487 |
β 1 | −0.500 | −0.2181 | 0.1157 | 0.0133 | −0.2939 | 0.0743 | 0.0738 | 0.0110 |
β 2 | 0.500 | 0.5023 | 0.1207 | 0.0146 | 0.5302 | 0.1419 | 0.1371 | 0.0211 |
Mean, sample average of the parameter estimates; SD, sample standard deviation of the parameter estimates; SE, sample average of the standard error estimates; MSE, mean-squared error.