Table 2 Comparison of 5-year prognostic performance by the five models for different clinicopathological subgroups

 ≤50

3.320

0.729

4.112

0.778

5.869

0.823

7.201

0.854

9.069

0.889

 >50

3.282

0.739

3.323

0.788

5.999

0.833

7.653

0.872

9.243

0.902

 Luminal A

1.749

0.601

5.738

0.827

3.594

0.761

4.060

0.816

4.581

0.821

 Luminal B

2.789

0.720

4.647

0.835

6.042

0.838

7.490

0.889

9.296

0.901

 HER2-enriched

4.386

0.769

2.541

0.719

9.151

0.862

10.000

0.868

11.716

0.917

 Triple negative

3.431

0.735

2.404

0.696

6.285

0.863

10.009

0.859

9.107

0.893

 ≤2cm

2.824

0.683

3.959

0.782

5.976

0.818

7.001

0.855

6.899

0.872

 2–5cm

3.150

0.725

3.987

0.789

6.209

0.839

8.264

0.871

10.631

0.897

 >5cm

23.874

0.859

2.314

0.818

3.964

0.844

4.425

0.890

8.767

0.942

 0

2.874

0.628

3.343

0.751

5.443

0.820

6.808

0.856

8.250

0.880

 1–3

1.681

0.593

4.330

0.799

3.871

0.758

5.216

0.813

6.086

0.829

 ≥4

4.332

0.728

2.826

0.788

6.337

0.865

7.433

0.881

10.753

0.910

 I

4.024

0.615

3.299

0.741

4.071

0.797

5.042

0.833

6.546

0.865

 II

1.881

0.609

4.143

0.790

5.256

0.798

7.012

0.844

8.048

0.862

 III

3.773

0.724

2.722

0.775

6.102

0.863

7.125

0.876

9.500

0.904

 G1

3.214

0.703

5.206

0.811

4.889

0.769

8.407

0.849

10.520

0.876

 G2

3.422

0.725

4.122

0.794

6.095

0.840

7.098

0.866

8.016

0.893

 G3

2.810

0.733

2.639

0.749

6.528

0.845

8.775

0.874

10.677

0.898

 Positive

2.989

0.721

5.174

0.833

5.187

0.811

6.408

0.866

8.350

0.889

 Negative

3.820

0.752

2.495

0.709

7.722

0.864

10.056

0.868

10.508

0.906

 Positive

3.116

0.721

6.026

0.844

5.178

0.807

7.354

0.865

8.698

0.891

 Negative

3.416

0.744

2.473

0.719

7.219

0.859

8.012

0.867

9.562

0.899

 Negative

3.435

0.736

4.083

0.790

5.158

0.818

7.250

0.857

8.952

0.890

 Positive

2.993

0.726

3.209

0.776

8.230

0.852

8.506

0.881

9.530

0.903