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. 2013 May 16;13:241. doi: 10.1186/1471-2407-13-241

Table 3.

RFS and pCR rates for 42 patients classified by clinical and genetic characteristics

 
Response to neoadjuvant chemotherapy
Relapse-free survival
  pCR No pCR P-value No. of Patients (No. of events) 3-year estimates 95% CI P-value
All patients
20
17
 
42 (12)
0.72
0.55-0.89
 
Response to neoadjuvant chemotherapy
 
 
 
 
 
 
 
 pCR (grade 3)
 
 
 
20 (4)
0.73
0.52-0.93
0.764
 No pCR (grade 0~2)
 
 
 
17 (5)
0.86
0.67-1.04
 
Hormone receptors
 
 
 
 
 
 
 
 Positive
8
14
0.009
25 (7)
0.76
0.58-0.95
0.914
 Negative
12
3
 
17 (5)
0.69
0.42-0.95
 
HER2 copy numbers
 
 
 
 
 
 
 
 ≤ 2.0
1
6
0.019
8 (5)
0.57
0.20-0.94
0.095
 > 2.0
19
11
 
34 (7)
0.78
0.62-0.94
 
Wild-type HER2 mRNA
 
 
 
 
 
 
 
 < 400
8
9
0.208
20 (8)
0.61
0.40-0.83
0.022
 ≥ 400
11
5
 
17 (2)
0.92
0.76-1.07
 
16HER2 mRNA
 
 
 
 
 
 
 
 < 4.5
5
8
0.020
17 (5)
0.72
0.50-0.93
0.314
 ≥ 4.5
15
4
 
20 (5)
0.75
0.53-0.96
 
Percentages of ∆16HER2 mRNA
 
 
 
 
 
 
 
 < 2.4%
17
11
0.581
31 (6)
0.79
0.63-0.94
0.039
 ≥ 2.4%
5
1
 
6 (4)
0.50
0.10-0.90
 
PIK3CA
 
 
 
 
 
 
 
 Wild-type
18
14
0.498
36 (9)
0.79
0.64-0.94
0.171
 Mutated
2
3
 
6 (3)
0.42
−0.02-0.85
 
PIK3CA
 
 
 
 
 
 
 
 Wild-type + Normal + Loss + UPD
16
9
0.08
28 (6)
0.85
0.70-1.01
0.041
 Mutated + Gain
4
8
 
14 (6)
0.56
0.29-0.83
 
PTEN
 
 
 
 
 
 
 
 Normal + Gain + UPD
20
12
0.009
37 (11)
0.73
0.56-0.89
0.705
 Loss
0
5
 
5 (1)
0.80
0.45-1.15
 
INPP4B
 
 
 
 
 
 
 
 Normal + Gain + UPD
17
16
0.373
36 (8)
0.79
0.64-0.94
0.095
 Loss
3
1
 
6 (4)
0.50
0.10-0.90
 
PI3KCA , PTEN, INPP4B
 
 
 
 
 
 
 
 No aberrations*
14
6
0.086
22 (4)
0.81
0.60-1.01
0.195
 Aberrations**
6
11
 
20 (8)
0.67
0.45-0.89
 
DEK
 
 
 
 
 
 
 
 Normal
13
14
0.236
28 (5)
0.88
0.75-1.01
0.006
 Gain
7
3
 
14 (7)
0.44
0.14-0.75
 
FGFR1
 
 
 
 
 
 
 
 Normal + Loss + UPD
17
9
0.035
29 (9)
0.75
0.48-0.86
0.641
 Gain
3
8
 
13 (3)
0.92
0.76-1.07
 
CCND1
 
 
 
 
 
 
 
 Normal + Loss
11
12
0.33
25 (4)
0.84
0.68-1.01
0.043
 Gain
9
5
 
17 (8)
0.58
0.33-0.84
 
FOXA1
 
 
 
 
 
 
 
 Normal + UPD
15
13
0.917
30 (6)
0.80
0.64-0.96
0.012
 Gain
5
4
 
12 (6)
0.60
0.29-0.91
 
CDH3
 
 
 
 
 
 
 
 Normal + Loss + UPD
19
14
0.217
37 (8)
0.79
0.64-0.94
0.009
 Gain
1
3
 
5 (4)
0.40
−0.03-0.83
 
BIRC5
 
 
 
 
 
 
 
 Normal + Loss + UPD
14
13
0.659
27 (5)
0.82
0.66-0.98
0.005
 Gain
6
4
 
15 (7)
0.56
0.25-0.88
 
MYBL2
 
 
 
 
 
 
 
 Normal + Loss
18
10
0.028
30 (7)
0.80
0.64-0.96
0.053
 Gain
2
7
 
12 (5)
0.58
0.24-0.91
 
AIB1
 
 
 
 
 
 
 
 Normal + Loss
18
11
0.063
31 (7)
0.81
0.65-0.96
0.017
 Gain 2 6   11 (5) 0.52 0.15-0.89  

CI, confidence interval; *No aberrations, wild-type and a normal copy of PIK3CA, a normal copy, gain or UPD of PTEN or INPP4B; **Aberrations, mutated and/or gain of PIK3CA, and loss of PTEN or INPP4B.