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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%