Skip to main content

Advertisement

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