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

Trocchi et al.

Trocchi et al. BMC Cancer 2012 12:554   doi:10.1186/1471-2407-12-554

Open Data