Ultrasound features | Malignant (n = 14) | Benign (n = 58) | Statistical significance | ||
---|---|---|---|---|---|
N (%) | N (%) | p value* | Odds ratio (95% CI) | Phi coefficiency # | |
Echopattern | |||||
Hypoechoic | 10 (71.4) | 9 (15.5) | < 0.001 | 13.61 (3.49–53.03) | 0.502 |
Not hypoechoic | 4 (28.6) | 49 (84.5) | |||
Shape | |||||
Taller than wide | 9 (64.3) | 19 (32.8) | 0.037 | 3.695 (1.09–12.55) | 0.256 |
Wider than tall | 5 (35.7) | 39 (67.2) | |||
Consistency | |||||
Solid | 12 (85.7) | 47 (81.0) | 1.0 | 1.4 (0.27–7.2) | .048 |
Partially solid | 2 (14.3) | 11 (19.0) | |||
Halo | |||||
Halo Absent | 12 (85.7) | 11 (19.0) | < 0.001 | 25.64 (5.0–131.44) | 0.567 |
Halo Present | 2 (14.3) | 47 (81.0) | |||
Outline | |||||
Irregular | 8 (57.1) | 8 (13.8) | 0.002 | 8.333 (2.28–30.43) | .413 |
Regular | 6 (42.9) | 50 (86.2) | |||
Calcification | |||||
Micro-calcification | 11 (78.6) | 2 (3.4) | < 0.001 | 102.67 (15.32–688.1) | 0.773 |
No mico-calcification | 3 (21.4) | 56 (96.6) | |||
Vascularity | |||||
Internal vascularity &/internal and peripheral | 12 (85.7) | 6 (10.3) | < 0.001 | 52.0 (9.32–290.11) | 0.689 |
No vascularity and/peripheral vascularity | 2 (14.3) | 52 (89.7) |