Research Article

Diagnostic Value of the 13C Methacetin Breath Test in Various Stages of Chronic Liver Disease

Table 3

Predictive value of the 13C-MBT in various stages of liver disease based on the cumulative recovery of oxidation at 40 minutes.

Sensitivity (95% CI)Specificity (95% CI)PPV (95% CI)NPV (95% CI)AUC (95% CI)

Fibrosis65 (44–86)82 (72–92)56 (36–76)87 (78–96)0.62 (0.39–0.86)
Cirrhosis (all stages)89 (80–98)83 (69–97)89 (80–98)83 (69–97)0.95 (0.91–0.99)