Table 2 Univariate analysis: overall survival in correlation with clinico-pathological parameters, applied chemotherapy regimens, intrinsic subtypes und subgroups in pre-therapeutic biopsy specimens.

From: Biomarker dynamics and prognosis in breast cancer after neoadjuvant chemotherapy

 

N (percentage) = 342 (100%)

HR (95%CI) of overall survival

p value

Age (median, range)

49 (25–81)

1.02 (CI 1.00–1.05)

0.015

cT stage

   

cT1

55 (16%)

1.0

0.003

cT2

168 (49%)

3.52 (CI 0.83–14.98)

cT3-4

118 (35%)

6.62 (CI 1.56–27.73)

ypT stage

   

ypT0

107 (31.3%)

1.0

<0.001

ypT1

107 (31.3%)

1.92 (CI 0.73–5.07)

ypT2

75 (22%)

3.32 (CI 1.29–8.49)

ypT3-4

52 (15.1%)

6.56 (CI 2.62–16.45)

NA

1 (0.3%)

 

cN stage

   

cN0

88 (25.7%)

3.49 (CI 1.39–8.75)

0.005

cN1-3

248 (72.5%)

 

NA

6 (1.8%)

 

ypN stage

   

ypN0

176 (51.5%)

4.65 (CI 2.38–9.12)

<0.001

ypN1-3

131 (38.3%)

 

NA

35 (10.2%)

 

cM stage

   

cM0

293 (85.6%)

5.88 (CI 3.39–10.19)

<0.001

cM1

46 (13.5%%)

 

NA

3 (0.9%)

 

Preoperative histological grading

   

G1/2

131 (38.3%)

1.38 (CI 0.78–2.44)

0.27

G3

188 (55.0%)

 

NA

23 (6.7%)

Proliferation Index Ki67

   

Low (< 30%)

110 (32.1%)

3.01 (CI 1.46–6.21)

0.002

High (≥ 30%)

68 (19.9%)

 

NA

164 (48.0%)

Pathologic complete response

   

No

239 (70%)

0.15 (CI 0.05–0.47)

<0.001

Yes

103 (30%)

Subtype

   

Luminal A

75 (21.9%)

1.0

<0.001

Luminal B Her2+

72 (21.1%)

0.66 (CI 0.23–1.99)

Luminal B Her2−

44 (12.9%)

3.79 (CI 1.68–8.51)

HER2+

60 (17.5%)

1.02 (CI 0.36–2.86)

Triple Negative

90 (26.3%)

2.65 (CI 1.19–5.89)

NA

1 (0.3%)

 

Chemotherapy

   

HER2-antibody therapy

94 (27.5%)

1.0

0.043

Platinum

64 (18.7%)

2.75 (CI 1.06–7.10)

 

Others

164 (48.0%)

2.64 (CI 1.17–5.95)

Combination of antibody and platinum

19 (5.5%)

0.67 (CI 0.08–5.50)

NA

1 (0.3%)

 

Subgroups

   

2003–2009

80 (23%)

0.74 (CI 0.42–1.33)

0.312

2010–2017

262 (77%)

 
  1. p values < 0.05 (bold labeled) are significant.
  2. NA, not available.