Figure 3. Receiver operating characteristic (ROC) curve analysis.
Abbreviations: FT3, Free triiodothyronine; T3, Triiodothyronine; SOFA score, Sequential organ failure assessment score. ROC curves for ICU mortality prediction of adult patients with septic shock by the serum FT3, T3 and T3/FT3 at admission. The area under the ROC curve (AUC) is shown.