|
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
|
