Table 4.
Positive value and likelihood ratio of cut-off levels of various indexes in untreated Graves' disease.
| Cut-off value | PPV (%) | NPV (%) | PLR | NLR | |
|---|---|---|---|---|---|
| fT4/fT3 | 2.841 | 90.79 | 76.71 | 7.22 | 0.22 |
| Mo/Eo | 8.813 | 73.96 | 71.70 | 2.08 | 0.29 |
| Mo/Eo × fT3 | 86.332 | 66.18 | 49.38 | 1.43 | 0.75 |
| Mo/Eo × fT4 | 238.183 | 71.43 | 54.4 | 1.83 | 0.61 |
| fT4/fT3 × Mo | 17.540 | 72.22 | 46.90 | 1.90 | 0.83 |
| fT4/fT3 × Eo | 2.076 | 71.17 | 81.58 | 1.81 | 0.17 |
| Mo/Eo + fT4/fT3 | 0.644 | 88.89 | 71.43 | 5.86 | 0.29 |
| Indicator combination formula* | 0.561 | 92.77 | 86.36 | 9.40 | 0.12 |
*
The detailed indicator combination formula is presented in the text. Eo, eosinophils; fT3, free triiodothyronine; fT4, free thyroxine; Mo, monocytes; NLR, negative likelihood ratio; NPV, negative predictive value; PLR, positive likelihood ratio; PPV, positive predictive value.