Table 3 Diagnostic performance parameters of Emax values in each group.

From: Influence of lesion size on shear wave elastography in the diagnosis of benign and malignant thyroid nodules

Group

AUC

Cutoff point (kPa)

Sensitivity (%)

Specificity (%)

Youden's index

95% confidence interval

All lesions

0.830

36.2

76.5

78.4

0.549

0.780, 0.880

Group A

0.844

33.7*

72.2

86.4

0.586

0.781, 0.907

Group B

0.886

37.7**

89.7

82.6

0.723

0.805, 0.966

Group C

0.935

55.1#

96.4

88.2

0.846

0.853, 1.017

  1. *Indicates the AUC of Group A compared with that of all lesions, z = 0.34, p > 0.05.
  2. **Indicates the AUC of Group B compared with that of all lesions, z = 1.17, p > 0.05;# indicates the AUC of Group C compared with that of all lesions, z = 2.15, p < 0.05.
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