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- W2988835331 abstract "It is difficult to distinguish acute hepatitis B (AVH-B) from chronic hepatitis B with an acute exacerbation (CHB-AE) in patients whose prior history of HBV infection is unknown. The present study aimed to screen laboratory parameters at presentation to discriminate between these two conditions.A prospective study was conducted in patients presenting clinically as AVH-B without known previous chronic hepatitis B status. Patients were divided into AVH-B and CHB-AE at end of six months follow up. Clinical and laboratory profiles were compared between these two groups at presentation.There was no significant difference in clinical presentation and risk factors profile in patients of both the groups. Mean age of presentation in AVH-B was 31.8 ± 14.9 years while, 47.2 ±17.3 years in CHB-AE group (p=0.005). Mean IgM anti-HBc levels were higher in AVH-B than in the CHB-AE group (p=0.001). Sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of IgM anti-HBc [>12.14 S/CO (Sample/Cut-off )] for diagnosis of AVH-B was 76.9%, 71.4%, 76.9% and 71.4 % respectively. Quantitative HBV DNA levels were significantly higher in CHB-AE group than in AVH-B group (p=0.015). Sensitivity, specificity, PPV and NPV of HBV DNA ( > 15390 IU/ml) for diagnosis of CHB-AE was 78.6%, 46.2%, 44% and 80% respectively.A high percentage of patients with apparent AVH-B might be cases of CHB-AE. Elderly patient (mean 47.2 years), high titers of HBV DNA (>15390 IU/ mL) and low IgM anti-HBc titer (<12.14 S/CO) favours CHB-AE over AVH-B." @default.
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- W2988835331 date "2019-10-01" @default.
- W2988835331 modified "2023-09-27" @default.
- W2988835331 title "Factors Differentiating Acute Hepatitis B from Acute Exacerbation of Chronic Hepatitis B in Prospective-retrospective Cohort." @default.
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