Table 6. AUC of FT3, FT4 and TSH in hyperthyroidism patients by Siemens and Mindray.
| Index | System | AUC | P value | Criterion | Sensitivity% | Specificity% |
|---|---|---|---|---|---|---|
| FT3 | Siemens | 0.9449 | P=0.6985>0.05 | >6.33 (pmol/L) | 81.72 | 100 |
| Mindray | 0.9440 | >5.41 (pmol/L) | 90.65 | 100 | ||
| FT4 | Siemens | 0.9289 | P=0.9321>0.05 | >21.11 (pmol/L) | 83.18 | 100 |
| Mindray | 0.9279 | >23.56 (pmol/L) | 78.50 | 100 | ||
| TSH | Siemens | 0.9999 | P=0.9989>0.05 | ≤0.27 (μIU/mL) | 99.07 | 100 |
| Mindray | 0.9999 | ≤0.343 (μIU/mL) | 99.07 | 100 |
AUC, area under the curve of receiver operating characteristic (ROC); FT3, free triiodothyronine; FT4, free thyroxine; TSH, thyroid stimulating hormone.