Table 1 Distribution of clinical characteristics of METABRIC and TCGA breast cancer cohorts.

From: Revisiting the impact of age and molecular subtype on overall survival after radiotherapy in breast cancer patients

 

METABRIC

TCGA

Radiotherapy

p-value

Radiotherapy

p-value

No

yes

No

yes

Age (mean + /− st.dev)

63.1 (12.8)

59.7 (12.9)

1.05E-08

59.8 (14.1)

56.6 (12.0)

1.69E-04

Age ≤ 60 years*

303

572

 

223

322

 

Age > 60 years*

500

599

 

206

220

 

Tumor size (mm; mean + /− st.dev)

25.8 (13.3)

26.5 (16.7)

0.098

Na

Na

Na

Surgery*

  

4.31E-14

  

2.27E-14

Breast conserving

80

705

 

48

231

 

Mastectomy

712

458

 

269

200

 

ER status*

  

0.29

  

0.81

neg

158

316

 

91

112

 

pos

649

857

 

315

405

 

PR status*

  

0.015

  

0.89

neg

359

581

 

130

164

 

pos

448

592

 

273

353

 

Histological Grade*

  

1.42E-09

Na

Na

Na

I

85

84

    

II

353

418

    

III

309

643

    

Stage*

  

4.91E-09

  

7.15E-07

0

9

3

    

1

212

289

 

69

85

 

2

265

560

 

279

282

 

3

18

100

 

62

158

 

4

5

5

 

10

7

 

PAM50 subtype*

  

6.91E-05

  

5.97E-01

Luminal A

322

378

 

159

188

 

Luminal B

176

299

 

66

96

 

Her2

90

134

 

24

25

 

Basal

68

141

 

46

69

 
  1. *Number of patients.