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Open AccessArticle

The Appropriate Opportunity for Evaluating Liver Fibrosis by Using the FIB-4 Index in Patients with Nonalcoholic Fatty Liver Disease in Japan

1
Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Kyoto 6028566, Japan
2
Center for Digestive and Liver Diseases, Nara City Hospital, Nara 6308305, Japan
*
Author to whom correspondence should be addressed.
Diagnostics 2020, 10(10), 842; https://doi.org/10.3390/diagnostics10100842
Received: 2 September 2020 / Revised: 7 October 2020 / Accepted: 19 October 2020 / Published: 19 October 2020
(This article belongs to the Special Issue Fatty Liver Disease: Diagnostic, Predictive and Prognostic Markers)
In patients with nonalcoholic fatty liver disease (NAFLD), liver fibrosis is the predictive factor for liver-related events and prognosis. This retrospective study aimed to evaluate longitudinal changes in the FIB-4 index and to determine a strategy for diagnosing and following patients with NAFLD using this index. We analyzed the FIB-4 index at baseline and after 1 and 5 years in 272 consecutive patients with biopsy-proven NAFLD. Of these, 52 patients underwent serial biopsies. The change in the FIB-4 index was correlated with changes in the fibrosis stage among these patients (p = 0.048). The median FIB-4 index was 1.64 at baseline, 1.45 at 1 year, and 1.74 at 5 years. The negative predictive value for advanced fibrosis at a low cutoff point was 90.4/90.1 at baseline/1 year. Its specificity at a high cutoff point increased from 65.0% at baseline to 82.3% at 1 year. Multivariate analysis identified the FIB-4 index at 1 year as a predictive factor for a FIB-4 index > 2.67 at 5 years. A FIB-4 index < 1.30 was acceptable for excluding advanced fibrosis at baseline. In contrast, to evaluate and predict advanced liver fibrosis with the FIB-4 index at a high cutoff point, we should use the index at 1 year after appropriate therapy. View Full-Text
Keywords: FIB-4 index; nonalcoholic fatty liver disease; liver fibrosis FIB-4 index; nonalcoholic fatty liver disease; liver fibrosis
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MDPI and ACS Style

Seko, Y.; Yano, K.; Takahashi, A.; Okishio, S.; Kataoka, S.; Okuda, K.; Umemura, A.; Yamaguchi, K.; Moriguchi, M.; Tanaka, S.; Itoh, Y. The Appropriate Opportunity for Evaluating Liver Fibrosis by Using the FIB-4 Index in Patients with Nonalcoholic Fatty Liver Disease in Japan. Diagnostics 2020, 10, 842. https://doi.org/10.3390/diagnostics10100842

AMA Style

Seko Y, Yano K, Takahashi A, Okishio S, Kataoka S, Okuda K, Umemura A, Yamaguchi K, Moriguchi M, Tanaka S, Itoh Y. The Appropriate Opportunity for Evaluating Liver Fibrosis by Using the FIB-4 Index in Patients with Nonalcoholic Fatty Liver Disease in Japan. Diagnostics. 2020; 10(10):842. https://doi.org/10.3390/diagnostics10100842

Chicago/Turabian Style

Seko, Yuya; Yano, Kota; Takahashi, Aya; Okishio, Shinya; Kataoka, Seita; Okuda, Keiichiroh; Umemura, Atsushi; Yamaguchi, Kanji; Moriguchi, Michihisa; Tanaka, Saiyu; Itoh, Yoshito. 2020. "The Appropriate Opportunity for Evaluating Liver Fibrosis by Using the FIB-4 Index in Patients with Nonalcoholic Fatty Liver Disease in Japan" Diagnostics 10, no. 10: 842. https://doi.org/10.3390/diagnostics10100842

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