Table 7.
Comparison of clinical and image-guided biopsy technical data between upgraded and no-upgrade patients
| Imaging feature | Upgrade status | p-value | ||
|---|---|---|---|---|
| Overall | No-upgrade | Upgrade | ||
| Associated malignancy | 0.2 | |||
| Ipsilateral | 22 (15.8) | 15 (13.5) | 7 (25) | |
| Contralateral | 44 (31.7) | 34 (30.6) | 10 (35.7) | |
| None | 55 (39.5) | 48 (43.2) | 7 (25) | |
| History of breast cancer | 18 (12.9) | 14 (12.6) | 4 (14.2) | |
| Needle caliber | 0.9 | |||
| 9 G | 123 (88) | 99 (89) | 24 (86) | |
| 12 G | 11 (7.9) | 8 (7,2) | 3 (11) | |
| 14 G | 5 (3.6) | 4 (3.6) | 1 (3.6) | |
| Size (mm) | 15 (3–70) | 9 (3–56) | 11 (4–70) | 0.077 |
| No. of specimens | 8 ± 2.7 | 9 (2–18) | 8 (3–9) | 0.003 |
Size and number of specimens are reported as median values with associated ranges; all other parameters are presented as frequencies, with percentages given in parentheses for each parameter