Table 1. Patient characteristics.
| Neoadjuvant (n=152) | Familial (n=134) | Adjuvant (n=91) | P-value | |
|---|---|---|---|---|
| Age, median (range) |
42 (19–72) |
39 (18–67) |
50 (23–75) |
<0.001 |
|
Grade | ||||
| Grade 1/2 (%) |
42 (30) |
11 (11) |
4 (5) |
<0.001 |
| Grade 3 (%) |
98 (70) |
87 (89) |
69 (95) |
|
| ND |
12 |
43 |
18 |
|
|
Histology | ||||
| IDC (%) |
114 (95) |
115 (92) |
0 (0) |
0.99 |
| ILC (%) |
2 (2) |
2 (2) |
0 (0) |
|
| other (%) |
4 (3) |
7 (6) |
0 (0) |
|
| ND |
32 |
17 |
91 |
|
|
T-stage | ||||
| T1/2 (%) |
96 (75) |
38 (90) |
7 (8) |
<0.001 |
| T3/4 (%) |
32 (25) |
4 (10) |
84 (92) |
|
| ND |
24 |
99 |
0 |
|
|
Nodal stage | ||||
| Negative (%) |
47 (36) |
24 (57) |
49 (54) |
0.01 |
| Positive (%) |
82 (64) |
18 (43) |
42 (46) |
|
| ND | 23 | 99 | 0 | |
Abbreviations: IDC=invasive ductal carcinoma; ILC=invasive lobular carcinoma; ND=not determined.
Patients with unknown characteristics (ND) were not included in P-value calculations; therefore, percentages for these groups were not depicted in the table.