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Table 4 Predictive performance of the different models for the training and testing cohorts

From: Nomogram for preoperative estimation risk of lateral cervical lymph node metastasis in papillary thyroid carcinoma: a multicenter study

Ā 

AUC (95% CI)

Sensitivity (%)

Specificity (%)

Training cohort

Ā Ā Ā 

Clin-US Nomogram

0.813 (0.790ā€“0.835)

57.22

83.58

Sex

0.538 (0.512ā€“0.563)

78.65

28.88

Position

0.567 (0.536ā€“0.598)

72.24

40.37

Tumor size

0.665 (0.632ā€“0.694)

37.92

83.96

Multifocality

0.613 (0.584ā€“0.641)

68.48

54.01

Mircocacification

0.575 (0.556ā€“0.593)

24.08

90.91

Ā A/P>0.25

0.692 (0.669ā€“0.714)

53.83

84.49

Internal testing cohort

Ā Ā Ā 

Clin-US Nomogram

0.815 (0.775ā€“0.854)

58.47

81.52

Sex

0.574 (0.526ā€“0.621)

78.26

36.44

Position

0.522 (0.467ā€“0.577)

68.70

35.59

Tumor size

0.659 (0.613ā€“0.705)

36.96

88.14

Multifocality

0.636 (0.586ā€“0.685)

66.96

60.17

Mircocacification

0.584 (0.558ā€“0.610)

21.09

95.76

Ā A/P>0.25

0.703 (0.663ā€“0.744)

56.74

83.90

External testing cohort

Ā Ā Ā 

Clin-US Nomogram

0.870 (0.822ā€“0.917)

89.47

80.57

Sex

0.586 (0.523ā€“0.648)

78.26

38.89

Position

0.583 (0.513ā€“0.654)

47.83

69.44

Tumor size

0.789 (0.730ā€“0.849)

80.43

73.61

Multifocality

0.564 (0.497ā€“0.630)

61.30

51.39

Mircocacification

0.628 (0.577ā€“0.680)

39.57

86.11

Ā A/P>0.25

0.743 (0.682ā€“0.803)

87.39

61.11

  1. Noteā€”AUC, area under the curve; A/P, Abutment/perimeter; CI, confidence interval