Table 3 Univariate and multivariate Cox regression analyses for DFS in Luminal B breast cancer patients.

From: The CINSARC signature predicts the clinical outcome in patients with Luminal B breast cancer

All patients

Univariate

Multivariate

N

HR [95% CI]

p-value

N

HR [95% CI]

p-value

Patients’ age

>50 vs. ≤50

1126

0.66 [0.52–0.84]

5.73E−04

759

0.69 [0.47–1.03]

0.070

Pathological tumor type

lobular vs. ductal

895

1.86 [1.21–2.84]

1.47E−02

759

2.17 [1.38–3.39]

7.18E-04

 

other vs. ductal

 

0.94 [0.60–1.47]

 

759

1.19 [0.73–1.92]

0.485

Pathological grade

2 vs. 1

938

1.23 [0.75–2.00]

0.077

   
 

3 vs. 1

 

1.51 [0.93–2.46]

    

Pathological axillary lymph node status

positive vs. negative

1221

1.69 [1.38–2.07]

4.75E−07

759

2.55 [1.79–3.63]

1.83E−07

Pathological tumor size

pT2 vs. pT1

1153

1.48 [1.17–1.88]

2.24E−07

759

1.52 [1.10–2.10]

1.14E−02

 

pT3 vs. pT1

 

2.96 [1.99–4.38]

 

759

3.25 [1.89–5.58]

2.09E−05

Adjuvant chemotherapy

yes vs. no

1110

1.51 [1.13–2.01]

5.41E−03

759

1.08 [0.72–1.64]

0.702

Adjuvant hormone therapy

yes vs. no

1104

0.74 [0.60–0.92]

6.93E−03

759

0.69 [0.47–0.99]

4.48E−02

CINSARC classes

High vs. Low-risk

1438

1.43 [1.18–1.73]

2.18E−04

759

1.46 [1.09–1.96]

1.20E−02

Patients with adjuvant HT and without adjuvant CT

Univariate

Multivariate

N

HR [95% CI]

p-value

N

HR [95% CI]

p-value

Patients’ age

>50 vs. ≤50

517

0.99 [0.50–1.96]

0.985

   

Pathological tumor type

lobular vs. ductal

482

1.71 [0.94–3.12]

0.195

   
 

other vs. ductal

 

0.92 [0.49–1.71]

    

Pathological grade

2 vs. 1

407

0.84 [0.38–1.85]

0.871

   
 

3 vs. 1

 

0.81 [0.37–1.78]

    

Pathological axillary lymph node status

positive vs. negative

535

2.88 [1.98–4.19]

3.13E−08

494

2.9 [1.91–4.40]

6.23E−07

Pathological tumor size

pT2 vs. pT1

513

1.87 [1.24–2.82]

1.76E−06

494

1.76 [1.16–2.66]

7.68E−03

 

pT3 vs. pT1

 

5.21 [2.76–9.83]

 

494

4.71 [2.47–8.98]

2.41E−06

CINSARC classes

High vs. Low-risk

554

1.60 [1.11–2.30]

1.11E−02

494

1.62 [1.11–2.37]

1.16E−02