Table 2.
Relationships between mean SWV and clinicopathologic features of 143 invasive ductal cancers
| Clinicopathologic features | < 3.30 m/s | 3.30-7.03 m/s | ≥ 7.03 m/s | Mean SWV m/s | Median SWV m/s |
|---|---|---|---|---|---|
| Agea | |||||
| < 50 (n = 28) | 4 | 5 | 19 | 6.96 ± 2.33 | 7.69 |
| ≥ 50 (n = 115) | 16 | 23 | 76 | 7.04 ± 2.41 | 7.72 |
| Tumor sizeb | |||||
| < 10 mm (n = 11) | 7 | 4 | 0 | 3.07 ± 0.73 | 2.99 |
| 10-20 mm (n = 53) | 10 | 15 | 28 | 6.30 ± 2.55 | 7.40 |
| ≥ 20 mm (n = 79) | 3 | 9 | 67 | 8.07 ± 1.51 | 9.00 |
| Lymph nodal metastasisc | |||||
| Negative (n = 89) | 17 | 25 | 47 | 6.46 ± 2.48 | 7.31 |
| Positive (n = 54) | 3 | 3 | 48 | 7.96 ± 1.89 | 9.00 |
| Histological graded | |||||
| Grade 1 (n = 12) | 5 | 3 | 4 | 5.38 ± 2.76 | 6.29 |
| Grade 2 (n = 86) | 12 | 19 | 55 | 6.76 ± 2.39 | 7.61 |
| Grade 3 (n = 45) | 3 | 6 | 36 | 7.98 ± 1.90 | 9.00 |
| ER expressiona | |||||
| Negative (n = 59) | 6 | 14 | 39 | 7.21 ± 2.21 | 7.73 |
| Positive (n = 84) | 14 | 14 | 56 | 6.90 ± 2.51 | 7.71 |
| PR expressiona | |||||
| Negative (n = 67) | 8 | 15 | 44 | 7.18 ± 2.36 | 9.00 |
| Positive (n = 76) | 12 | 13 | 51 | 6.90 ± 2.42 | 7.65 |
| C-erbB-2 expressione | |||||
| Negative (n = 39) | 11 | 6 | 22 | 5.58 ± 0.52 | 5.74 |
| Positive (n = 104) | 9 | 22 | 73 | 7.30 ± 2.22 | 7.94 |
ER: estrogen receptor, PR: C-erbB-2: progesterone receptor human epidermal growth factor receptor 2, SWV: shear wave velocity.
a
P > 0.05;
b
P < 0.001;
c
P < 0.001;
d
P = 0.001;
e
P = 0.029.