Year 2024 / Volume 116 / Number 9
Original
FIB-4 score as a predictor of COVID-19-related severity in hospitalized patients

465-471

DOI: 10.17235/reed.2024.9811/2023

Ana Lucena Valera, Rocío Aller de la Fuente, Yolanda Sánchez Torrijos, Manuel Romero Gómez, Javier Ampuero Herrojo,

Abstract
Aim: to determine the impact of liver fibrosis on the prognosis of COVID and liver injury associated with the infection. Methods: retrospective multicenter study including 575 patients requiring admission for COVID-19 between January and June 2020. Fibrosis index-4 (FIB-4) was calculated within six months prior to infection and at six months post-infection. Results: baseline FIB-4 was elevated in patients who died (1.91 ± 0.95 vs 1.43 ± 0.85; p < 0.001). In addition, 17.1 % (32/187) of patients with baseline FIB-4 < 1.45 died vs 52.9 % (9/17) with FIB-4 > 3.25 (p < 0.001). In the adjusted multivariate analysis, baseline FIB-4 (OR 1.61 [95 % CI: 1.19-2.18]; p = 0.002) was independently associated with mortality. Parameters associated with liver injury, including aspartate aminotransferase (AST) (28 ± 10 vs 45 ± 56 IU/l; p < 0.001) and alanine aminotransferase (ALT) (20 ± 12 vs 38 ± 48 IU/l; p < 0.001) were significantly higher at admission compared to baseline. Furthermore, FIB-4 increased from baseline to the time of admission (1.53 ± 0.88 vs 2.55 ± 1.91; p < 0.001), and up to 6.9 % (10/145) of patients with FIB-4 < 1.45 on admission died vs 47.5 % if FIB-4 > 3.25 (58/122) (p < 0.001). In the adjusted multivariate analysis, FIB-4 on admission (OR 1.14 [95 % CI: 1.03-1.27]; p = 0.015) was independently associated with mortality. In addition, AST (42 ± 38 vs 22 ± 17 IU/l; p < 0.001) and ALT (40 ± 50 vs 20 ± 19 IU/l; p < 0.001) were significantly reduced at six months after the resolution of infection. Accordingly, FIB-4 decreased significantly (2.12 ± 1.25 vs 1.32 ± 0.57; p < 0.001) six months after the infection. Conclusion: increased FIB-4, either at baseline or at the time of admission, was associated with severity and mortality related to respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. However, the liver damage expressed by elevated transaminases and FIB-4 levels was reversible in most of patients.
Lay Summary
The prevalence of abnormal liver function tests in COVID-19 patients has been reported to range from 15% to 70%. In this setting, liver fibrosis could be a relevant factor in the natural history of COVID-19. FIB-4 is a simple four-variable tool (including AST, ALT, age, and platelet) for estimating liver fibrosis. In our study, we observed that patients with increased FIB-4 had a higher severity and mortality related to SARS-CoV-2 infection. The early identification of high-risk patients could improve patient care and prognosis of SARS-CoV-2 infection.
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Lucena Valera A, Aller de la Fuente R, Sánchez Torrijos Y, Romero Gómez M, Ampuero Herrojo J. FIB-4 score as a predictor of COVID-19-related severity in hospitalized patients. 9811/2023


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Publication history

Received: 30/06/2023

Accepted: 26/04/2024

Online First: 20/05/2024

Published: 09/09/2024

Article revision time: 285 days

Article Online First time: 325 days

Article editing time: 437 days


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