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Table 4 Inference table calculated using the model developed in this study for all potential combinations of EIS and FNA result, selected subset.

From: Development of a clinical decision model for thyroid nodules

EIS Level of Suspicion

FNA Cytology

Surgical Pathology Diagnosis

  

Benign

Malignant

1-Definitely Benign

Inadequate

100.00%

0.00%

2-Highly unlikely to be malignant

Inadequate

100.00%

0.00%

3-Unlikely to be malignant

Inadequate

100.00%

0.00%

4-Likely to be malignant

Inadequate

100.00%

0.00%

5-Highly likely to be malignant

Inadequate

100.00%

0.00%

1-Definitely Benign

Indeterminate

94.30%

5.70%

2-Highly unlikely to be malignant

Indeterminate

87.80%

12.20%

3-Unlikely to be malignant

Indeterminate

90.90%

9.10%

4-Likely to be malignant

Indeterminate

41.30%

58.70%

5-Highly likely to be malignant

Indeterminate

26.40%

73.60%

1-Definitely Benign

Negative

98.90%

1.10%

2-Highly unlikely to be malignant

Negative

97.60%

2.40%

3-Unlikely to be malignant

Negative

98.20%

1.80%

4-Likely to be malignant

Negative

79.70%

20.30%

5-Highly likely to be malignant

Negative

66.70%

33.30%

1-Definitely Benign

Positive

14.90%

85.10%

2-Highly unlikely to be malignant

Positive

7.10%

92.90%

3-Unlikely to be malignant

Positive

9.50%

90.50%

4-Likely to be malignant

Positive

0.70%

99.30%

5-Highly likely to be malignant

Positive

0.40%

99.60%