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A novel noninvasive index for the prediction of moderate to severe fibrosis in chronic hepatitis B patients.

Dig Liver Dis; 50(5): 482-489, 2018 May.
Artigo em Inglês | MEDLINE | ID: mdl-29396134
BACKGROUNDS: The evaluation of liver fibrosis stages is essential for the clinical management of chronic hepatitis B (CHB).

AIMS:

To develop and validate a novel noninvasive index for moderate to severe fibrosis (≥S2) in CHB patients.

METHODS:

A total of 401 CHB patients who underwent liver biopsy were divided into the training (n = 300) and validation (n = 101) cohort. Histological severity was scored using a modified Scheuer system. Clinical and laboratory assessments were collected.

RESULTS:

In the training cohort, PACG, a novel index combining the quantitative hepatitis B core antibody (qAnti-HBc), platelet count (PLT), and albumin globulin ratio (A/G), presented better diagnostic performance (AUROC = 0.814) than that of APRI (0.735, p = 0.007) and FIB-4 (0.749, p = 0.014). In the validation cohort, the AUROC of the PACG, APRI, FIB-4 and Fibroscan were 0.834, 0.806, 0.791 and 0.810, respectively. More importantly, a higher and lower cutoff of PACG for predicting ≥S2 fibrosis or not had a >90% sensitivity and specificity, with a diagnostic accuracy of 85.9%.

CONCLUSION:

PACG is a promising noninvasive alternative to liver biopsy in CHB patients for the evaluation of moderate to severe fibrosis.