Method | Mean Absolute Error (95% CIs) | Validation | |
---|---|---|---|
ln (HR) | Var ln (HR) | ||
1. Nlopt method: exact P value | 0.014 (0.007–0.022) | 0.0039 (0.0022–0.0056) | 13 KM plots (this study) |
2. Nlopt method: non-exact P value | 0.087 (−0.036–0.210) | 0.0033 (0.0010–0.0055) | |
3. Parmar: this study | 0.077 (0.039–0.115) | 0.0038 (0.0016–0.0060) | |
4. Parmar | 0.079 (0.048–0.110) | 0.0104 (0.0070–0.0139) | 48 KM plots [8] |
5. Guyot: All information | 0.017 (0.002–0.122) | 0.0026 (2e-5–0.1332) | 6 KM plots [16] |
6. Guyot: No numbers at risk | 0.036 (0.003–0.242) | 0.0015 (6e-6–0.0541) | |
7. Guyot: No total events | 0.028 (0.002–0.149) | 0.0065 (2e-5–0.2497) | |
8. Guyot: No additional information | 0.198 (0.021–1.556) | 0.1227 (6e-4–3.2501) |