Figure 3: ROC Curve analysis comparing the diagnostic potential of ESAT-6 free IGRA and QFT (Qiagen). | Scientific Reports

Figure 3: ROC Curve analysis comparing the diagnostic potential of ESAT-6 free IGRA and QFT (Qiagen).

From: Introducing the ESAT-6 free IGRA, a companion diagnostic for TB vaccines based on ESAT-6

Figure 3

Analysis included samples from 74 patients and 100 controls. The Area Under the Curve reflects the antigen cocktails’ ability to differentiate between cases and controls. AUC for QFT (Qiagen) 0.96 (95% CI 0.92–0.99), ESAT-6 free IGRA (IFN-γ) 0.95 (95% CI 0.91–0.99). There was no significant difference between the ROC curves.

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