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Table 4 Ultrasound Parameters of Malignancy of the 143 Patients that underwent Thyroid Nodule Evaluation in a Single Center

From: Role of ultrasound, clinical and scintigraphyc parameters to predict malignancy in thyroid nodule

Variables Benign Malign P-value
  N % N %  
Nodules (n) 93   50   
Nodule (number)/patient 1.58 ± 1.15 1.73 ± 1.31 0.51
Nodule size (cm) 2.87 ± 1.65 2.23 ± 1.82 0.003
Nodule size (range) [cm] 0.3 - 9.3 0.3 - 9.0  
Microcalcifications 12 14.1% 20 45.5% < 0.001
Macrocalcifications 15 17.6% 04 9.09% 0.06
Border Irregularity 15 17.8% 34 75.5% < 0.001
Hypoechogenicity 36 42.3% 32 71.1% 0.003
Hyperechogenicity 31 36.4% 06 13.3% 0.001
Size ≥ 2 cm 64 73.5% 23 46.0% 0.001
Internal Flow 13 21.6% 17 56.6% < 0.001
Absent Flow 27 45.0% 06 20.0% < 0.001