Table 1 The Swansea Criteria for diagnosis of AFLP and the Tennessee Classification System for diagnosis of HELLP syndrome

Vomiting

AST > 70 IU/L

Abdominal pain

LDH > 600 IU/L 

Polydipsia or polyuria

Platelet < 100,000/µL 

Encephalopathy

Leukocytosis (> 11 × 10⁶/mL)

Hypoglycemia (< 72 mg/dL)

Hyperbilirubinemia (> 0.8 mg/dL)

Impaired liver function (AST or ALT > 42 IU/L)

Hyperuricemia (> 5.7 mg/dL)

Hyperammonemia (> 66 µg/dL)

Impaired renal function (creatinine > 1.7 mg/dL)

Coagulopathy (PT > 14 s or aPTT > 34 s)

Ascites or bright liver on ultrasound scan

Microvesicular steatosis on liver biopsy