Table 3 Breast mass distribution and comparison between MFI and SR assessments
Diagnostic method | Malignant | Benign | All masses | MFI | SR | P* |
|---|---|---|---|---|---|---|
Mean ages, years | 53.3 ± 11.9 | 41.5 ± 10.6 | 47.2 ± 12.7 |  |  |  < 0.01 |
Mean sizes, mm | 28.0 ± 13.8 | 17.8 ± 8.9 | 22.7 ± 12.6 |  |  |  < 0.01 |
 ≤ 20 mm | 32 | 66 | 98 | 7.9 ± 10.6 | 2.9 ± 1.8 |  < 0.01 |
 > 20 mm | 60 | 31 | 91 | 10.5 ± 10.5 | 3.6 ± 2.2 |  < 0.01 |
US | 92 | 97 | 189 | 9.1 ± 10.6 | 3.3 ± 2.0 |  < 0.01 |
3 | 0 | 22 | 22 | 5.3 ± 6.6 | 2.4 ± 1.1 |  < 0.01 |
4A | 19 | 59 | 78 | 6.8 ± 11.5 | 2.6 ± 1.8 |  < 0.01 |
4B | 46 | 16 | 62 | 12.9 ± 10.9 | 4.0 ± 2.0 |  < 0.01 |
4C | 25 | 0 | 25 | 9.8 ± 6.5 | 3.6 ± 2.1 |  < 0.01 |
5 | 2 | 0 | 2 | 14 ± 11.9 | 8.8 ± 4.2 |  < 0.01 |
MFI | 5.8 ± 8.6 | 12.6 ± 11.4 | 9.1 ± 10.6 |  |  |  < 0.01 |
SR | 2.4 ± 1.5 | 4.1 ± 2.2 | 3.3 ± 2.0 |  |  |  < 0.01 |
US + S-Detect | 108 | 81 | 189 |  |  |  < 0.01 |
US + MFI | 117 | 72 | 189 |  |  |  < 0.01 |
US + SR | 87 | 102 | 189 |  |  |  < 0.01 |
US + S-Detect + MFI | 108 | 81 | 189 |  |  |  < 0.01 |
US + S-Detect + SR | 99 | 90 | 189 |  |  |  < 0.01 |
US + SR + MFI | 104 | 85 | 189 |  |  |  < 0.01 |
US + S-Detect + MFI + SR | 105 | 83 | 189 |  |  |  < 0.01 |