Table 2.
Summary of descriptive data related to patient demographics and lesion characteristics
| Factor | Variable | Result | p-value |
|---|---|---|---|
| Age (years) | Mean (SD) | 57.9 (12.4) | 0.122 |
| Mammographic description | Calcifications | 60 (75.0%) | 0.436 |
| Focal asymmetry | 5 (6.3%) | ||
| Mass | 11 (13.8%) | ||
| Calcifications with focal asymmetry or mass | 4 (5.0%) | ||
| Size of lesion (mm) | Mean (SD) | 16.6 (18.6) | 0.585 |
| BI-RADS® category | 3 | 2 (2.5%) | 0.822 |
| 4A | 27 (33.8%) | ||
| 4B | 38 (47.5%) | ||
| 4C | 10 (12.5%) | ||
| 5 | 1 (1.3%) | ||
| Nonea | 2 (2.5%) | ||
| Pathology | Benign | 49 (61.3%) | 0.726 |
| Malignant | 22 (27.5%) | ||
| High risk | 8 (10.0%) | ||
| Discordant results without follow-up | 1 (1.3%) |
BI-RADS, breast imaging reporting and data system; SD, standard deviation.
Numbers in the result column represent the n-value, unless otherwise indicated. Correlation between variables and displacement was analyzed (statistical significance was set at p < 0.05).
a
Two cases were referrals from outside hospitals in which reports were not available prior to biopsy.