Fig. 3

ROC curve of UBT for the diagnosis of H. pylori infection with only UBT readings below the optimal positive cutoff value. A ROC curve of 13C-UBT. B ROC curve of 14C-UBT
ROC curve of UBT for the diagnosis of H. pylori infection with only UBT readings below the optimal positive cutoff value. A ROC curve of 13C-UBT. B ROC curve of 14C-UBT