Ternary Classification of Thyroid Function Based on Recall Against Biochemical Status
| Reference range | Euthyroid | Hyperthyroid* | Hypothyroid | Accuracy† |
|---|---|---|---|---|
| 0.45%–4.5% | 71.4% | 66.6% (100%) | 0% | 82.6% |
| 0.4%–1.7% | 49.0% | 74.1% (94.1%) | 0% | 51.0% |
| 0.4%–4.0% | 86.3% | 63.0% (94.1%) | 0% | 77.1% |
| 0.3%–3.4% | 74.5% | 63.0% (94.1%) | 0% | 68.8% |
| 0.2%–2.0% | 58.8% | 74.1% (94.1%) | 0% | 59.4% |
| Salivary classification | 62.7% | 70.3% (94.1%) | 0% | 61.4% |
| Physician rating | 72.5% | 63.0% (89.5%) | 0% | 61.0% |
| Physician rating with uptake | 88.2% | 70.3% (100%) | 0% | 82.3% |
* Data in parentheses exclude subclinical hyperthyroidism and T3 toxicosis.
↵†Binary accuracy for reference to Table 6.
Accuracy is also provided for binary classification.