| High gradient (⩾11 g/l) | Low gradient (<11g/l) |
| • Cirrhosis | • Peritoneal carcinomatosis |
| • Alcoholic hepatitis | • Tuberculous peritonitis |
| • Cardiac ascites | • Pancreatic ascites |
| • Fulminant hepatic failure | • Biliary ascites |
| • Budd-Chiari syndrome | • Nephrotic syndrome |
| • Portal vein thrombosis | • Serositis of collagen, vascular disease |
| • Veno-occlusive disease | |