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Table 3 Sonographic features of subjects with thyroid nodules

From: A predictive model of thyroid malignancy using clinical, biochemical and sonographic parameters for patients in a multi-center setting

 

Benign

Malignant

P value

Irregular shape

10.7%

42.7%

< 0.001

Ill-defined margin

9.7%

38.7%

< 0.001

Solid structure

41.3%

75.8%

< 0.001

Hypoechogenicity

27.1%

68.5%

< 0.01

Microcalcification

13.0%

48.5%

< 0.001

Macrocalcification

12.5%

18.5%

0.001

Egg-shell calcification

1.6%

1.7%

0.797

Central flow

47.1%

60.3%

< 0.001

  1. Categorical variables were compared using X2 tests. P < 0.05 was considered significant