Hepatology · Gastroenterology
AST-to-Platelet Ratio Index (Wai) calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Result
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Formula inputs
- AST (U/L)Accepted range: 0 to 10000
- AST upper limit of normal (U/L)Accepted range: 0.1 to 1000
- Platelet count (10^9/L)Accepted range: 0.1 to 2000
Primary source
Wai CT et al. A simple noninvasive index can predict both significant fibrosis and cirrhosis in patients with chronic hepatitis C. Hepatology (2003)
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