| Evaluation of diagnostic accuracy of APRI for prediction of fibrosis in hepatitis C patients. | |
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MedLine Citation:
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PMID: 19999223 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Several non-invasive markers are being used to assess the structural liver damage in patients with chronic hepatitis C (CHC). We evaluated Aspartate aminotransferase (AST) to platelet ratio index (APRI) in comparison with Metavir scoring for assessing the severity of hepatic fibrosis in the CHC patients in district Rawalpindi. METHODS: One hundred twenty CHC patients, naive for HCV treatment, underwent liver biopsy in tertiary care hospitals of district Rawalpindi, participated in the study. Liver biopsies were reviewed by Metavir scoring system. Serum AST was analyzed by IFCC method. Platelets were measured on a haematology Analyzer. Patients with mild fibrosis (F0, F1) were differentiated from significant fibrosis (F2, F3, F4) and those with mild/moderate fibrosis (F0, F1, F2) from advanced fibrosis (F3, F4) based on APRI score as compared to liver biopsy. RESULTS: Liver biopsies examination revealed that out of 120 patients 10 (8.3%) had no fibrosis (F0), 46 (38%) portal fibrosis (F1), 34 (28%) septal fibrosis (F2), 21 (18%) bridging fibrosis (F3) and 9 (8%) cirrhosis (F4). APRI correctly classified 58 (48%) patients of significant fibrosis with AUC = 0.82 (95% CI, 0.73-0.88) at cut-off 0.5 and 1.5 with negative predictive value (NPV), Positive predictive value (PPV), sensitivity and specificity of 78%, 72%, 66%, 83% and 58%, 90%, 41% and 90% respectively. Eighty-seven (66%) CHC patients were correctly classified for advanced fibrosis with AUC = 0.87 (95% CI 0.79-0.94) at cutoffs 0.90 and 1.75 with a 95%NPV at 0.90 and 78% PPV at 1.75. CONCLUSION: APRI could correctly identify significant fibrosis in 48% and advanced fibrosis in 66% cases with acceptable degree of diagnostic accuracy in CHC patients in our clinical practice. |
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Authors:
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Dilshad Ahmad Khan; Fatima-Tuz-Zuhra; Farooq Ahmad Khan; Azhar Mubarak |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Validation Studies |
Journal Detail:
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Title: Journal of Ayub Medical College, Abbottabad : JAMC Volume: 20 ISSN: 1025-9589 ISO Abbreviation: J Ayub Med Coll Abbottabad Publication Date: 2008 Oct-Dec |
Date Detail:
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Created Date: 2009-12-11 Completed Date: 2010-01-15 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8910750 Medline TA: J Ayub Med Coll Abbottabad Country: Pakistan |
Other Details:
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Languages: eng Pagination: 122-6 Citation Subset: IM |
Affiliation:
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Department of Pathology, Army Medical College, National University of Sciences and Technology, Rawalpindi, Pakistan. dilshad56@yahoo.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aspartate Aminotransferases / blood Biopsy Blood Platelets Female Hepatitis C / blood, complications*, pathology Humans Liver / pathology, virology Liver Cirrhosis / blood, diagnosis*, virology* Male Pakistan Predictive Value of Tests Reproducibility of Results Severity of Illness Index |
| Chemical | |
Reg. No./Substance:
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EC 2.6.1.1/Aspartate Aminotransferases |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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