|
Patients and tumor biological characteristics by histologic group |
|||
| ILC |
IDC |
P |
|
|
|
|||
| Patients (n) |
4140 |
45169 |
|
| Tumor size |
|||
| Number with data |
3962 |
43827 |
|
| ≤2 cm (%) |
46.1 |
51.3 |
|
| >2 and ≤5 cm (%) |
39.8 |
39.5 |
<0.0001 |
| >5 cm (%) |
14.0 |
9.1 |
|
| Age |
|||
| Number with data |
3501 |
38436 |
|
| ≤50 years |
19.4 |
27.8 |
<0.0001 |
| >50 years |
80.6 |
72.2 |
|
| Positive lymph nodes |
|||
| Number with data |
3891 |
43066 |
|
| 0 |
57.3 |
58.0 |
NS |
| ≥1 |
42.7 |
42.0 |
|
| Estrogen receptor |
|||
| Number tested |
4140 |
45169 |
|
| Positive (%) |
92.7 |
81.2 |
<0.0001 |
| Progesterone receptor |
|||
| Number tested |
4075 |
44307 |
|
| Positive (%) |
67.4 |
60.2 |
<0.0001 |
| Ploidy |
|||
| Number tested |
3763 |
40123 |
|
| Diploid (%) |
69.8 |
43.6 |
<0.0001 |
| S-phase fraction |
|||
| Number tested |
3339 |
34620 |
|
| Low |
68.6 |
46.7 |
|
| Intermediate |
19.2 |
21.9 |
<0.0001 |
| High |
12.2 |
31.4 |
|
| p53 |
|||
| Number tested |
86 |
1009 |
|
| Negative (normal; %) |
74.4 |
46.5 |
<0.0001 |
| HER-2 |
|||
| Number tested |
263 |
2909 |
|
| Negative (%) |
89.3 |
75.6 |
<0.0001 |
| Epidermal growth factor receptor |
|||
| Number tested |
203 |
2366 |
|
| Negative (%) |
94.1 |
80.7 |
<0.0001 |
|
IDC, invasive ductal carcinoma; ILC, invasive lobular carcinoma. | |||
Arpino et al. Breast Cancer Res 2004 6:R149 |
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