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Table 4 Sensitivity, specificity and correct classifaction of malignancy based on predictive score

From: Predicting malignancy in thyroid nodules: feasibility of a predictive model integrating clinical, biochemical, and ultrasound characteristics

Cut-point

Sensitivity

Specificity

Correctly Classified

LR+

LR-

(> = 2)

100 %

0.00 %

8.95 %

1.00

 

(> = 3)

93.48 %

28.21 %

34.05 %

1.30

0.23

(> = 4)

86.96 %

52.78 %

55.84 %

1.84

0.25

(> = 5)

65.22 %

72.65 %

71.98 %

2.38

0.48

(> = 6)

45.65 %

87.82 %

84.05 %

3.75

0.62

(> = 7)

28.26 %

94.87 %

88.91 %

5.51

0.76

(> = 8)

23.91 %

97.86 %

91.25 %

11.19

0.78

(> = 9)

13.04 %

99.15 %

91.44 %

15.26

0.88

(> = 10)

4.35 %

99.79 %

91.25 %

20.35

0.96

  1. The positive likelihood ratio (LR+) is the ratio of the probability of a positive test among the truly positive subjects to the probability of a positive test among the truly negative subjects. The negative likelihood ratio (LR–) is the ratio of the probability of a negative test among the truly positive subjects to the probability of a negative test among the truly negative subjects