Table 1 Comparison of the characteristics of ultrasound image and clinical features of Ki-67 high expression group and low expression group (\(\overline{x}\) ± s)
From: Predicting the expression level of Ki-67 in breast cancer using multi-modal ultrasound parameters
Variable | High expression group (n = 43) | Low expression group (n = 39) | \(^{{\chi^{2} }}\)(t) | P-values |
|---|---|---|---|---|
Age (years) | 51.2 ± 9.7 | 47.6 ± 11.1 | 1.59 | 0.12 |
Position F | ||||
Outer upper quadrant | 10 | 11 | ||
Outer lower quadrant | 7 | 7 | ||
Inner upper quadrant | 12 | 5 | 3.28 | 0.51 |
Inner lower quadrant | 5 | 4 | ||
Nipple dizzy rear | 9 | 12 | ||
Tumor size (mm) | 18.7 ± 9.1 | 12.3 ± 8.6 | 3.29 | 0.001 |
Number of lumps | ||||
1 lump | 21 | 20 | ||
2 lumps | 3 | 7 | 1.50 | 0.47 |
≥ 3 lumps | 3 | 4 | ||
Shape | ||||
Regular | 13 | 14 | ||
Irregular | 30 | 25 | 0.297 | 0.586 |
Border | ||||
Clear | 11 | 17 | ||
Not clear | 32 | 22 | 2.949 | 0.086 |
Edge | ||||
Smooth | 10 | 18 | ||
Not smooth | 33 | 21 | 4.769 | 0.029 |
Microcalcification | ||||
Positive | 19 | 12 | ||
Negative | 24 | 27 | 1.566 | 0.211 |
CDFI grading | ||||
0–I | 15 | 26 | ||
II–III | 28 | 13 | 8.264 | 0.004 |
RI | ||||
≥ 0.7 | 24 | 13 | ||
< 0.7 | 19 | 26 | 4.174 | 0.041 |
Elastography scores | ||||
1–3 | 13 | 20 | ||
4–5 | 30 | 19 | 3.768 | 0.052 |
ER | ||||
Negative | 16 | 35 | ||
Positive | 27 | 4 | 24.005 | 0.000 |
PR | ||||
Negative | 20 | 32 | ||
Positive | 23 | 7 | 11.134 | 0.001 |
Her-2 | ||||
− ~ + | 25 | 33 | ||
+ + ~ + + + | 18 | 6 | 6.925 | 0.009 |