Liver international : official journal of the International Association for the Study of the Liver · 2017
Steatosis severity affects the diagnostic performances of noninvasive fibrosis tests in nonalcoholic fatty liver disease.
Сравнительное исследованиеСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Joo Sae Kyung, Kim Won, Kim Donghee, Kim Jung Ho, Oh Sohee, Lee Kook Lae, Chang Mee Soo, Jung Yong Jin, So Young Ho, Lee Myoung Seok, Bae Jeong Mo, Kim Byeong Gwan
Аннотация
BACKGROUND & AIMS: Nonalcoholic fatty liver disease (NAFLD) includes a wide spectrum of heterogeneous metabolic subtypes. This study compared the diagnostic performances of noninvasive fibrosis tests in predicting advanced fibrosis among patients with NAFLD and examined the effects of the subgroups on their diagnostic performances.
METHODS: Three hundred fifteen patients with biopsy-proven NAFLD were prospectively enrolled. Acoustic radiation force impulse imaging (ARFI) was performed to obtain liver stiffness measurements (LSMs). The aspartate aminotransferase-to-alanine aminotransferase ratio (AAR), aspartate aminotransferase-to-platelet ratio index (APRI), fibrosis 4 index (FIB-4), NAFLD fibrosis score (NFS) and BARD score were calculated. The diagnostic performances of noninvasive fibrosis tests were evaluated using the area under the receiver operating characteristic curve (AUROC).
RESULTS: Fibrosis 4 index (FIB-4) showed the highest AUROC for advanced fibrosis (0.866; 95% CI, 0.811-0.922). AUROC subgroup analyses were performed to assess the effects of the subgroups on diagnostic performance. For patients with advanced fibrosis, the APRI, BARD, FIB-4 and NFS AUROCs were significantly different among the radiological steatosis grades. Additionally, the AUROC of ARFI tended to decrease with increasing radiological steatosis severity. FIB-4 and NFS showed significantly lower AUROCs for advanced fibrosis in obese NAFLD than in nonobese NAFLD (P = .002 and P < .001 respectively). However, only radiological steatosis severity was independently associated with advanced fibrosis in multivariable analysis.
CONCLUSIONS: Steatosis severity may affect the diagnostic performances of noninvasive fibrosis tests in patients with NAFLD. The application of different tools should be tailored for various NAFLD subgroups to optimize noninvasive fibrosis assessments.
METHODS: Three hundred fifteen patients with biopsy-proven NAFLD were prospectively enrolled. Acoustic radiation force impulse imaging (ARFI) was performed to obtain liver stiffness measurements (LSMs). The aspartate aminotransferase-to-alanine aminotransferase ratio (AAR), aspartate aminotransferase-to-platelet ratio index (APRI), fibrosis 4 index (FIB-4), NAFLD fibrosis score (NFS) and BARD score were calculated. The diagnostic performances of noninvasive fibrosis tests were evaluated using the area under the receiver operating characteristic curve (AUROC).
RESULTS: Fibrosis 4 index (FIB-4) showed the highest AUROC for advanced fibrosis (0.866; 95% CI, 0.811-0.922). AUROC subgroup analyses were performed to assess the effects of the subgroups on diagnostic performance. For patients with advanced fibrosis, the APRI, BARD, FIB-4 and NFS AUROCs were significantly different among the radiological steatosis grades. Additionally, the AUROC of ARFI tended to decrease with increasing radiological steatosis severity. FIB-4 and NFS showed significantly lower AUROCs for advanced fibrosis in obese NAFLD than in nonobese NAFLD (P = .002 and P < .001 respectively). However, only radiological steatosis severity was independently associated with advanced fibrosis in multivariable analysis.
CONCLUSIONS: Steatosis severity may affect the diagnostic performances of noninvasive fibrosis tests in patients with NAFLD. The application of different tools should be tailored for various NAFLD subgroups to optimize noninvasive fibrosis assessments.