Skip to main content

Table 4 Number of ultrasound characteristics (percent in brackets) in the study groups

From: Advanced thyroid carcinomas: neural network analysis of ultrasonographic characteristics

Ultrasound feature ADV
(n = 32)
PTC
(n = 32)
FTC
(n = 32)
p-values
ADV vs. PTC ADV vs. FTC PTC vs. FTC
Shapea     0.004 0.010 0.002
 Round 4 (13) 10 (31) 6 (19)    
 Oval 4 (13) 8 (25) 23 (72)    
 Irregular 24 (75) 9 (28) 2 (6)    
 TTW 0 (0) 4 (13) 1 (3)    
Contoura     0.131 0.012 0.318
 Well-defined 4 (13) 10 (31) 14 (44)    
 Ill-defined 28 (88) 22 (69) 18 (56)    
Structurea     0.724 0.753 0.509
 Homogeneous 5 (16) 4 (13) 7 (22)    
 Inhomogeneous 27 (84) 28 (88) 25 (78)    
Echogenicitya     0.192 0.336 0.704
 Hypoechogenic 26 (81) 21 (66) 21 (66)    
 Hyperechogenic 5 (16) 6 (19) 8 (25)    
 Cystic 1 (3) 5 (16) 3 (9)    
Calcificationsa     0.044 0.572 0.005
 Present 10 (31) 19 (59) 7 (22)    
 Not present 22 (69) 13 (41) 25 (78)    
Focalitya     0.184 0.613 0.026
 Unifocal 29 (91) 24 (75) 31 (97)    
 Multifocal 3 (9) 8 (25) 1 (3)    
  1. ADV Advanced thyroid carcinoma (group 1), PTC Papillary thyroid carcinoma (group 2), FTC Follicular thyroid carcinoma (group 3). achi-square test