Grouping of aetiology of ascites based on serum albumin ascites gradient (SAAG)
| SAAG ≥11 /L | SAAG <11 /L |
| Portal hypertension | Peritoneal carcinomatosis |
| Cardiac failure | Peritoneal tuberculosis |
| Portal vein thrombosis* | Pancreatitis* |
| Hypothyroidism* | Bowel perforation* |
| Nephrotic syndrome* |
*Limited data27 283 284