TABLE 1.
Variable | Group 1 (n = 82) | Group 2 (n = 111) | p |
---|---|---|---|
Median age (year) | 56 (32–82) | 57 (28–88) | 0.94 |
Race | |||
Caucasian | 48 (58.5) | 48 (43.2) | 0.03 |
African American | 28 (34.1) | 60 (54.1) | |
Other | 6 (7.3) | 3 (2.7) | |
Mammographic appearance | |||
Calcifications | 17 (20.7) | 55 (49.5) | <0.0001 |
Mass/density/asymmetry | 55 (67.1) | 47 (42.3) | |
Othera | 10 (12.2) | 9 (8.1) | |
Biopsy technique | |||
Stereotactic | 22 (26.8) | 66 (59.5) | <0.0001 |
Ultrasound-guided | 57 (69.5) | 45 (40.5) | |
MRI-guided | 2 (2.4) | 0 | |
Palpation-guided | 1 (1.2) | 0 | |
Median lesion size (mm) | 10 (4–30) | 10 (5–80) | 0.75 |
Data are numbers with percentages or ranges in parentheses unless otherwise indicated
Not visible on mammogram and/or incidental finding on other imaging as part of breast cancer workup