Table 6 Multivariate Cox regression analysis of overall survival (months) for IDC cases

Grade

0.340

0.599

1.404

0.434

4.542

0.571

Nodal stage

−0.654

0.507

0.520

0.192

1.404

0.197

AJCC stage grouping

2.441

1.369

11.485

0.785

168.051

0.075

Metastasis

1.401

0.591

4.060

1.274

12.936

0.018^*

Necrosis

0.224

0.581

1.251

0.400

3.908

0.700

NPI group

0.430

1.106

1.537

0.176

13.435

0.698

Lymphovascular invasion

1.130

0.783

3.097

0.668

14.367

0.149

Molecular subtypes

−1.635

0.596

0.195

0.061

0.627

0.006*

Her2neu

0.531

0.527

1.700

0.606

4.775

0.313

KIF18A intensity

0.517

1.270

1.677

0.139

20.211

0.684

KIF18A H score

1.379

1.086

3.971

0.472

33.399

0.204

β-catenin intensity

−11.010

106.447

0.0

0.000

–

0.918

β-catenin H score

9.960

106.445

21,169.442

0.000

–

0.925