Table 1 Performance metrics of the five prediction models for the breast cancer data: Somers’ correlation (D xy ); estimates of the hazard ratio (HR) with 95% confidence limits (CI), and p-value for Cox Models I and II; and R 2 for Cox Model I and Brier score (IBS) for Cox Model II
From: Assessment of performance of survival prediction models for cancer prognosis
Model | Dxy | Cox Model I | Cox Model II | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
R2 | HR | 95% C.I. | P | HR | 95% C.I. | P | IBS | ||||
A | −0.333 | 0.311 | 2.37 | 1.21 | 4.62 | 0.012 | 4.85 | 1.38 | 17.04 | 0.014 | 0.124 |
B | −0.310 | 0.114 | 1.71 | 0.87 | 3.39 | 0.123 | 1.99 | 0.75 | 5.27 | 0.167 | 0.148 |
C | −0.099 | 0.009 | 1.08 | 0.75 | 1.56 | 0.669 | 2.83 | 1.01 | 7.94 | 0.048 | 0.136 |
D | −0.310 | 0.248 | 2.50 | 1.12 | 5.57 | 0.026 | 2.36 | 0.82 | 6.76 | 0.111 | 0.144 |
E | −0.111 | 0.058 | 1.24 | 0.84 | 1.83 | 0.280 | 2.83 | 1.01 | 7.94 | 0.048 | 0.136 |