Table 1.
Mammography Findings: TN vs. NTN (n=207 for TN and 967 for NTN)
| TN | NTN | Chi Square | |
|---|---|---|---|
|
| |||
| Findings | 0.0001 | ||
| Mass without calcifications | 121 (58%) | 435 (45%) | |
| Mass with calcifications | 60 (30%) | 311 (32%) | |
| Suspicious calcifications alone | 15 (7%) | 109 (11%) | |
| Other:
|
11 (5%) | 112 (12%) | |
| Negative
|
5 | 90 | |
| N/A | 6 | 22 | |
|
| |||
| Breast Density:* | 0.72 | ||
| Fatty | 10 (5%) | 39 (5%) | |
| Scattered densities | 68 (34%) | 233 (30%) | |
| Heterogeneously dense | 106 (52%) | 439 (57%) | |
| Dense | 19 (9%) | 66 (8%) | |
|
| |||
| BIRADS Category: | 0.25 | ||
| Suspicious (IV) | 122 (58%) | 522 (54%) | |
| Highly suggestive (V) | 71 (34%) | 291 (31%) | |
| Other/NA: | 14 (8%) | 154 (16%) | |
| Negative (I) | 5 | 90 | |
| Benign (II) | 0 | 0 | |
| Probably Benign (III) | 1 | 15 | |
| Known Cancer (IV) | 5 | 19 | |
| Not available | 3 | 30 | |
*
Note: 4 TN and 190 NTN cases N/A