ROC curves for 13
C-methionine breath test outcome parameter cumulative percentage recovery after 90 min test time ( cPDR
) in patients with non-alcoholic fatty liver (NAFL). A: for differentiation of non-NASH (steatosis and borderline-diagnosis) from NASH in the total cohort (solid line) and a subgroup of patients (n = 92) with mild (F0-1) fibrosis (dashed line). B: for differentiation of non-significant (F0-1) from advanced (F2-3) fibrosis in 99 patients with borderline diagnosis or definite NASH.