Table 2.
Ranking results based on SMI and MMI.
| Feature Variable | SMI ranking | MMI ranking |
|---|---|---|
| Mass margin | ①* | ① |
| Mass shape | ② | ⑧ |
| Mass density | ③ | ② |
| Personal history of breast cancer (PHx) | ④ | ③ |
| Pleomorphic | ⑤ | ④ |
| Age | ⑥ | ⑤ |
| Mass stability | ⑦ | ⑦ |
| Fine linear | ⑧ | ⑥ |
| Mass size | ⑨ | 33 |
| Amorphous | ⑩ | 13 |
| Architectural distortion | ⑪ | ⑨ |
| Breast composition | ⑫ | 12 |
| Hormone replacement therapy | ⑬ | ⑩ |
| Family history of breast cancer | 14 | 11 |
| Surgery history of breast cancer | 15 | 32 |
| Punctuate | 16 | 28 |
| Round | 17 | 18 |
| Nipple retraction | 18 | 14 |
| Dystrophic | 19 | 17 |
| Skin thickening | 20 | 24 |
| Skin lesion | 21 | 15 |
| Axillary adenopathy | 22 | 16 |
| Skin retraction | 23 | 27 |
| Lymph node | 24 | 26 |
| Milk of calcium | 25 | 19 |
| Rod like | 26 | 20 |
| Trabecular thickening | 27 | 29 |
| Lucent | 28 | 25 |
| Eggshell | 29 | 21 |
| Dermal | 30 | 22 |
| Asymmetric density | 31 | 30 |
| Popcorn | 32 | 31 |
| Tubular density | 33 | 23 |
*
Circles around the ranking numbers indicate parsimony features.