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% |