Table 1

Patient characteristics

Characteristics
ER-negative group (n = 51)
ER-positive group (n = 82)

Age, years


     Median
51
51
     Range
29–75
28–79
T stage


     T0
0
1 (1%)
     T1
8 (16%)
4 (5%)
     T2
24 (47%)
46 (56%)
     T3/4
19 (37%)
31 (38%)
Histological grade


     Grade 1
0
2 (2%)
     Grade 2
6 (12%)
45 (55%)
     Grade 3
43 (84%)
31 (38%)
     Unknown
2 (4%)
4 (5%)
Lymph node status


     Positive
38 (75%)
55 (67%)
     Negative
13 (25%)
27 (33%)
HER2 overexpressed or amplified


     Yes
18 (35%)
15 (18%)
     No
32 (63%)
67 (82%)
     Unknown
1 (2%)
0
Pathologic complete response


     Yes
27 (53%)
7 (9%)
     No
24 (47%)
75 (91%)

ER, estrogen receptor.

Tordai et al. Breast Cancer Research 2008 10:R37   doi:10.1186/bcr2088