Table 2.
The estimated total integrated absolute bias and RMSE values for each of the models and each of the measures.
| Baseline Hazard rate |
Treatment Hazard rate |
Treatment (NPH) Log-hazard ratio |
PSA (PH) Log-hazard ratio |
|||||
|---|---|---|---|---|---|---|---|---|
| Model | Bias | (RMSE) | Bias | (RMSE) | Bias | (RMSE) | Bias | (RMSE) |
| Aalen’s additive | 0.273 | (0.097) | 0.755 | (0.258) | 14.950 | (5.646) | −0.129 | (0.336) |
| HARE | ||||||||
| (All) | 2.2 × 1036 | 4.0 × 1037 | ∞ | (∞) | ∞ | (∞) | −0.015 | (0.357) |
| (Subset) | 0.127 | (0.0624) | 0.186 | (0.076) | 3.679 | (1.543) | 0.012 | (0.126) |
| NPMRH | ||||||||
| (0) | 0.199 | (0.089) | 0.569 | (0.234) | 8.977 | (3.779) | −0.008 | (0.106) |
| (2) | 0.177 | (0.079) | 0.376 | (0.172) | 6.880 | (3.041) | −0.008 | (0.107) |
| (5, k sampled) | 0.193 | (0.086) | 0.289 | (0.158) | 6.949 | (3.108) | −0.007 | (0.106) |
| (5, k = 0.5) | 0.192 | (0.085) | 0.278 | (0.149) | 6.709 | (2.931) | −0.007 | (0.106) |
| (5, k = 8) | 0.397 | (0.141) | 0.105 | (0.043) | 10.008 | (3.758) | −0.018 | (0.109) |
| (Lowest AIC) | 0.193 | (0.085) | 0.281 | (0.151) | 6.763 | (2.973) | −0.007 | (0.106) |
| Time-varying Cox | 0.376 | (0.131) | 0.215 | (0.115) | 10.571 | (4.164) | 0.005 | (0.106) |
Note: Among the NPMRH models, the models based on the lowest AIC tend to have the lowest values, although there are exceptions, such as the estimated bias and RMSE for the NPMRH-5 model with k = 8: The other conclusions match those observed in Figure 9.