Table 1.

Patient characteristics

Patient characteristicsNumber
Age, y50 (35–60)
RaceN = 380
 Caucasian327 (86.1%)
 African-American40 (10.5%)
 Other13 (3.4%)
Menopausal status (measure by hormones)N = 366
 Pre168 (45.9%)
 Post198 (54.1%)
Body Mass Index (BMI)N = 380
 Median (range)26.8 (18.7–51.3)
 Low–Normal (≤25)144 (37.9%)
 High (>25)213 (62.1%)
Menstrual phaseN = 166
 Follicular53 (31.9%)
 Mid-cycle67 (40.4%)
 Luteal46 (27.7%)
Lifetime risk (Gail model)N = 378
 Median (range)12.7 (5.6–54.1)
 <10112 (29.6%)
 10–19206 (54.5%)
 ≥2060 (15.9%)
Breast percent densityN = 379
 Median percent density (range)18.1 (2.5–72.8)
Percent density
 <515 (4%)
 5–24264 (70%)
 25–4992 (24%)
 50–758 (2%)
 >750 (0%)
Cytology, standardN = 380
 Insufficient26 (6.8%)
 Benign207 (54.5%)
 Borderline atypical8 (2.1%)
 Atypical/Indeterminate136 (35.8%)
 Suspicious3 (0.8%)
Masood cytology scoreN = 354
 Median (range)13 (7–18)
 Normal (6–10)30 (8.5%)
 Hyperplasia, benign (11–14)192 (54.2%)
 Hyperplasia, atypical (15–18)132 (37.3%)