Table 4 Comparison between the benign group and malignant group regarding composition, echogenicity, shape, margins of thyroid nodules, and presence of echogenic foci in the thyroid nodules
Benign group | Malignant group | Test value | P value | Sig. | |
|---|---|---|---|---|---|
No. = 31 | No. = 9 | ||||
Composition | |||||
Cystic or almost completely cystic (0 points) | 13 (41.9%) | 0 (0.0%) | 5.591 | 0.018 | S |
Spongiform (0 points) | 2 (6.5%) | 0 (0.0%) | 0.611 | 0.434 | NS |
Mixed cystic and solid (1 point) | 13 (41.9%) | 0 (0.0%) | 5.591 | 0.018 | S |
Solid or almost completely solid (2 points) | 3 (41.9%) | 9 (88.9%) | 27.097 | 0.000 | HS |
Echogenicity | |||||
Anechoic (0 points) | 12 (38.7%) | 0 (0.0%) | 4.977 | 0.025 | S |
Hyperechoic (1 point) | 11 (35.5%) | 0 (0.0%) | 4.405 | 0.036 | S |
Isoechoic (1 point) | 7 (22.6%) | 5 (55.6%) | 3.612 | 0.057 | NS |
Hypoechoic (2 points) | 1 (3.2%) | 1 (11.1%) | 0.913 | 0.339 | NS |
Very hypoechoic (3 points) | 0 (0.0%) | 3 (33.3%) | 11.171 | 0.001 | HS |
Shape | |||||
Wider than taller (0 points) | 31 (100.0%) | 6 (66.7%) | 11.171 | 0.001 | HS |
Taller than wider (3 points) | 0 (0.0%) | 3 (33.3%) | 11.171 | 0.001 | HS |
Margins | |||||
Smooth (0 points) | 20 (64.5%) | 1 (11.1%) | 7.977 | 0.005 | HS |
Ill-defined (0 points) | 11 (35.5%) | 0 (0.0%) | 4.405 | 0.036 | S |
Lobulated or irregular (2 points) | 0 (0.0%) | 6 (66.7%) | 24.314 | 0.000 | HS |
Extrathyroidal extension (3 points) | 0 (0.0%) | 2 (22.2%) | 7.251 | 0.007 | HS |
Presence of echogenic foci | |||||
None (0 points) | 17 (54.8%) | 1 (11.1%) | 5.389 | 0.020 | S |
Large comet tail artifacts (0 points) | 10 (32.3%) | 0 (0.0%) | 3.871 | 0.049 | S |
Macrocalcifications (1 point) | 4 (12.9%) | 1 (11.1%) | 0.020 | 0.886 | NS |
Peripheral (rim) calcifications (2 points) | 1 (3.2%) | 1 (11.1%) | 0.913 | 0.339 | NS |
Punctuate echogenic foci (3 points) | 1 (3.2%) | 6 (66.7%) | 12.991 | 0.000 | HS |