Table 2.
Characteristics | AR + (n = 71) | AR– (n = 33) | χ2value | p value |
---|---|---|---|---|
Shape | 0.233 | 0.629 | ||
Regular | 5 (7.04%) | 4 (12.12%) | ||
Irregular | 66 (92.96%) | 29 (87.88%) | ||
Orientation | 0.495 | 0.482 | ||
Parallel | 40 (56.34%) | 21 (63.64%) | ||
Vertical | 31 (43.66%) | 12 (36.36%) | ||
Hyperechoic halo | 0.537 | 0.464 | ||
Absent | 42 (59.15%) | 22 (66.67%) | ||
Present | 29 (40.85%) | 11 (33.33%) | ||
Margin | 14.493 | < 0.001* | ||
Smooth | 1 (1.41%) | 9 (27.27%) | ||
Unsmooth | 70 (98.59%) | 24 (72.73%) | ||
Posterior acoustic pattern | 12.759 | 0.002* | ||
Enhancement | 5 (7.04%) | 10 (30.30%) | ||
No change | 41 (57.75%) | 19 (57.58%) | ||
Shadowing | 25 (35.21%) | 4 (12.12%) | ||
Calcification | 2.123 | 0.145 | ||
Absent | 18 (25.35%) | 13 (39.39%) | ||
Present | 53 (74.65%) | 20 (60.61%) | ||
Echo pattern | 0.055 | 0.815 | ||
Hypoechoic | 6 (8.45%) | 4 (12.12%) | ||
Heterogeneous | 65 (91.55%) | 29 (87.88%) | ||
Adler grade | 0.273 | 0.872 | ||
0–1 | 9 (12.68%) | 5 (15.15%) | ||
2 | 18 (25.35%) | 7 (21.21%) | ||
3 | 44 (61.97%) | 21 (63.64%) | ||
Elasticity score | 9.429 | 0.022* | ||
2 | 2 (2.82%) | 2 (6.06%) | ||
3 | 20 (28.17%) | 13 (39.39%) | ||
4 | 47 (66.20%) | 13 (39.39%) | ||
5 | 2 (2.82%) | 5 (15.15%) | ||
BI-RADS | 0.443 | 0.506 | ||
3-4a | 25 (35.21%) | 8 (24.24%) | ||
4b-5 | 46 (64.79%) | 25 (75.76%) |
BI-RADS, Breast imaging-reporting and data system; AR, androgen receptor; * indicates p < 0.05