Skip to main content

Table 4 The proportion of outcomes from the two biomarker selection methods among 1000 replications

From: Biomarker selection for medical diagnosis using the partial area under the ROC curve

   

Forward method

Backward method

Case

a 1 *

a 2 *

(c1,c2)

(1,0)

(0,1)

(0,0)

(c1,c2)

(1,0)

(1,0)

(0,0)

1

0.000

0.000

0.001

0.036

0.051

0.912

0.000

0.019

0.024

0.957

2

0.000

1.000

0.002

0.040

0.416

0.542

0.001

0.042

0.228

0.729

3

0.000

1.000

0.005

0.012

0.799

0.184

0.003

0.031

0.597

0.369

4

0.000

1.000

0.015

0.000

0.984

0.001

0.007

0.006

0.986

0.001

5

-0.447

0.894

0.008

0.021

0.424

0.547

0.000

0.064

0.285

0.651

6

-0.447

0.894

0.011

0.007

0.788

0.194

0.002

0.066

0.663

0.269

7

-0.447

0.894

0.355

0.000

0.645

0.000

0.038

0.330

0.632

0.000

8

-0.669

0.743

0.030

0.000

0.394

0.576

0.006

0.242

0.647

0.105

9

-0.669

0.743

0.189

0.001

0.613

0.195

0.011

0.340

0.648

0.001

10

-0.669

0.743

0.884

0.000

0.115

0.001

0.026

0.891

0.083

0.000

11

-0.645

0.765

0.008

0.027

0.412

0.553

0.001

0.231

0.675

0.093

12

-0.606

0.795

0.077

0.008

0.713

0.202

0.009

0.167

0.819

0.005

13

-0.519

0.855

0.622

0.000

0.377

0.001

0.037

0.614

0.349

0.000

14

-0.692

0.722

0.062

0.013

0.380

0.545

0.006

0.300

0.694

0.000

15

-0.682

0.731

0.200

0.001

0.593

0.206

0.012

0.337

0.651

0.000

16

-0.657

0.754

0.898

0.000

0.102

0.000

0.027

0.876

0.097

0.000

17

0.563

0.826

0.013

0.030

0.430

0.527

0.001

0.074

0.430

0.495

18

0.467

0.884

0.015

0.019

0.769

0.197

0.006

0.057

0.736

0.201

19

0.239

0.971

0.027

0.000

0.973

0.000

0.015

0.020

0.964

0.001

20

0.604

0.797

0.011

0.023

0.417

0.549

0.004

0.149

0.639

0.208

21

0.529

0.848

0.034

0.006

0.775

0.185

0.012

0.086

0.825

0.077

22

0.324

0.946

0.073

0.000

0.926

0.001

0.025

0.059

0.915

0.001

23

0.707

0.707

0.011

0.304

0.367

0.318

0.005

0.234

0.239

0.522

24

0.707

0.707

0.165

0.391

0.408

0.036

0.113

0.402

0.388

0.097

25

0.707

0.707

0.965

0.014

0.021

0.000

0.964

0.017

0.019

0.000