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Table 7 Performance evaluation of the colon cancer data for eight prediction models

From: Assessment of reproducibility of cancer survival risk predictions across medical centers

Model Dxy HR 95% C.I. P-value R2
A −0.520 3.85 2.27 6.51 5.04E-7 0.283
B −0.488 5.13 3.09 8.51 2.46E-10 0.251
C −0.227 2.48 1.52 4.04 2.78E-4 0.043
D −0.126 1.33 0.83 2.11 0.233 0.021
E −0.446 4.18 2.47 7.06 8.99E-08 0.169
F −0.210 1.87 1.16 3.00 0.01 0.049
G −0.563 4.52 2.66 7.67 2.25E-08 0.293
H −0.361 2.29 1.42 3.68 6.5E-4 0.149
  1. Somers’ correlation (Dxy), the hazard ratio (HR) with the 95% confidence limits (CI) and p-value of significance (P-value), and the coefficient of determination (R2) are given for the single-group analysis.