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Sensitivity and specificity of age platelet index, Göteborg University Cirrhosis Index, aspartate aminotransferase to platelet ratio index and aspartate aminotransferase/alanine aminotransferase ratio in diagnosing cirrhosis in patients with chronic hepatitis C virus infection. API: Age platelet index; GUCI: Göteborg University Cirrhosis Index; APRI: Aspartate aminotransferase to platelet ratio index; AAR: Aspartate aminotransferase/alanine aminotransferase ratio.
