Table 1.
Characteristics of women who underwent core biopsy at Martin-Luther-University of Halle (Saale), Germany, between April 2006 and August 2008 (N=695)
| Characteristic | N | % |
|---|---|---|
| Age (Years) |
|
|
| <40 |
39 |
5.6 |
| 40-49 |
165 |
23.7 |
| 50-59 |
215 |
30.9 |
| 60-69 |
214 |
30.8 |
| 70+ |
62 |
8.9 |
| BMI (kg/m2) |
|
|
| <21 |
98 |
14.1 |
| 21-24.9 |
228 |
32.8 |
| 25-29.9 |
218 |
31.4 |
| 30+ |
151 |
21.8 |
| Biopsy technique |
|
|
| Stereotactic |
381 |
54.8 |
| Ultrasound-guided |
194 |
27.9 |
| MRI-guided |
120 |
17.3 |
| Referral group |
|
|
| Screening |
83 |
11.9 |
| History of breast cancer |
90 |
13.0 |
| Clinical symptoms |
128 |
18.4 |
| Only images |
394 |
56.7 |
| BIRADS |
|
|
| 2-3 |
75 |
10.8 |
| 4 |
346 |
49.8 |
| 5 |
204 |
29.3 |
| 6 |
70 |
10.1 |
| Radiological findings |
|
|
| Radiological focus |
396 |
57.0 |
| Microcalcification |
346 |
49.8 |
| Mammographic breast density (ACR) |
|
|
| almost entirely fatty |
58 |
8.4 |
| fibroglandular |
282 |
41.0 |
| heterogenous dense |
283 |
41.1 |
| extremely dense |
65 |
9.5 |
| Mammographic breast density (Computer-based assessment) |
|
|
| <10% |
242 |
34.8 |
| 10% to <25% |
181 |
26.0 |
| 25% to <50% |
186 |
26.8 |
| ≥50% | 86 | 12.4 |