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Table 3 AUCs for risk models developed and validated in various populations: Approach I

From: Impact of correlation of predictors on discrimination of risk models in development and external populations

Validated in population

Developed in population

A

B

C

D

E

F

G

H

I

J

K

L

M

N

0

P

A

0.663

*

*

*

*

0.656

0.663

0.652

0.663

0.556

**

**

*

*

*

*

B

0.645

0.645

*

*

*

0.632

0.645

0.631

0.644

0.534

**

**

*

*

*

*

C

0.639

*

0.639

*

*

0.626

0.639

0.622

0.639

0.534

**

**

*

*

*

*

D

0.660

*

*

0.660

*

0.649

0.660

0.649

0.659

0.545

**

**

*

*

*

*

E

0.676

*

*

*

0.676

0.670

0.676

0.670

0.676

0.570

**

**

*

*

*

*

F

0.624

*

*

*

*

0.629

0.624

0.602

0.625

0.578

**

**

*

*

*

*

G

0.575

*

*

*

*

0.571

0.575

0.570

0.575

0.526

**

**

*

*

*

*

H

0.770

*

*

*

*

0.728

0.770

0.789

0.767

0.502

**

**

*

*

*

*

I

0.593

*

*

*

*

0.590

0.593

0.587

0.593

0.534

**

**

*

*

*

*

J

0.531

*

*

*

*

0.529

0.530

0.531

0.530

0.632

**

**

*

*

*

*

K

0.540

*

*

*

*

0.571

0.540

0.502

0.543

0.615

0.616

**

*

*

*

*

L

0.542

*

*

*

*

0.541

0.540

0.541

0.542

0.602

**

0.603

*

*

*

*

M

0.804

*

*

*

*

0.792

0.804

0.800

0.804

0.693

**

**

0.804

*

*

*

N

0.781

*

*

*

*

0.759

0.781

0.775

0.781

0.692

**

**

*

0.781

*

*

O

0.795

*

*

*

*

0.782

0.795

0.790

0.795

0.686

**

**

*

*

0.795

*

P

0.810

*

*

*

*

0.802

0.810

0.806

0.810

0.695

**

**

*

*

*

0.810

  1. *Risk models with the same adjusted ORs will have equal impact on an external validation population. Therefore, prediction models developed in population A-E and M-P will perform similarly in an external validation population, and thus the values indicated as ‘*’ in these columns are identical to those in column A
  2. **The adjusted ORs in population J-K are the same and therefore perform similarly in an external validation population. Thus, the values indicated as ‘**’ in columns K and L are identical to those in column J
  3. The numbers in bold indicate the AUC estimated in the development population
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BMC Medical Research Methodology

ISSN: 1471-2288

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