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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.