Background and Aim: Noninvasive scores are developed for the estimation of advanced fibrosis, including parameters in addition to transaminases in non-alcoholic fatty liver disease (NAFLD). In this study, we aimed to investigate the diagnostic performances of Fibrosis-4 (FIB-4) and NAFLD Fibrosis Score (NFS) in the estimation of advanced fibrosis comparing patients with normal and elevated transaminases. Material and Methods: We retrospectively analyzed the prospectively collected data of a total of 407 consecutive patients with biopsy-proven NAFLD. FIB-4 scores of <1.3 and >2.67 or <1.45 and >3.25 indicated a low and high risk for advanced fibrosis, respectively. NFS scores of <-1.455 and >0.676 were used to assess low and high risk for advanced fibrosis, respectiv. Results: FIB-4 cutoffs of <1.3 and <1.45 for low risk of advanced fibrosis had a sensitivity of 70% and 54% in patients with elevated transaminases and 70% and 52% in patients with normal transaminases, respectively. The specificities for the cutoffs of >2.67 and >3.25 were 97% and 98% in patients with elevated transaminases and 99% and 100% in patients with normal transaminases, respectively. Concerning NFS, we found similar results. Conclusion: FIB-4 and NFS showed acceptable diagnostic performance in the exclusion of advanced fibrosis in both populations with normal and elevated transaminases.
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Eda Kaya (2020) studied this question.