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Table 1 Demographic characteristic of study participants (n = 10)

From: Mammographically dense human breast tissue stimulates MCF10DCIS.com progression to invasive lesions and metastasis

Selected characteristics Number or mean
Age at surgery date Mean 45 years, median 43 years, range 31–64 years
BI-RADS score, n
 4 2
 3 2
 2 4
 1 2
Risk factors (some women had more than one risk factor)
 Strong family history 6
BRCA1 mutation-positive 2
BRCA2 mutation-positive 3
PTEN mutation-positive 1
 Past history of BC or DCIS 7
Menopausal status
 Pre-menopausal 5
 Peri-menopausal 2
 Post-menopausal 3
Parity
 Parous 8
 Nulliparous 2
  1. Abbreviations: BI-RADS Breast Imaging-Reporting and Data System, BC Breast cancer, IDC Invasive ductal carcinoma, DCIS Ductal carcinoma in situ
  2. BI-RADS score 1 = predominantly fat, 2 = scattered fibroglandular densities, 3 = heterogeneously dense, 4 = extremely dense