|  | NAFLD | Inclusion criteria | No alcohol history or consuming of alcohol < 210 g/week for male and < 140 g/week for female |  | Ultrasound, CT, MRI, or liver biopsy prompted fatty liver |  
  |  |  NAFLD |  Exclusion criteria | Viral hepatitis, drug-induced hepatitis, alcoholic fatty liver, autoimmune liver disease, liver degeneration |  | Diagnosis of cirrhosis by ultrasound, CT, MRI, or liver biopsy pathology; neoplasm in liver or other organs |  | With myocardial ischemia, hepatorenal syndrome, diabetes, infections, intestinal ischemia, cerebrovascular accident |  | Albumin infusion within a month |  
  |  |  Hepatitis |  Inclusion criteria | Viral hepatitis over six months |  | HBsAg and/or HBeAg positive |  | Ultrasound, CT, MRI, or liver biopsy prompted no liver cirrhosis; AST, ALT < 40 U/L |  
  |  |  Hepatitis |  Exclusion criteria | Neoplasm in liver or other organs |  | With myocardial ischemia, hepatorenal syndrome, diabetes, infections, intestinal ischemia, cerebrovascular accident |  | Albumin infusion within a month |  
  |  | Cirrhosis | Inclusion criteria | Diagnosis of cirrhosis by ultrasound, CT, MRI, liver biopsy pathology, or operation |  
  |  |  Cirrhosis |  Exclusion criteria | Neoplasm in liver or other organs |  | With myocardial ischemia, hepatorenal syndrome, diabetes, infections, intestinal ischemia, cerebrovascular accident |  | Alcoholic, nonalcoholic, drug-induced, primary biliary cirrhosis, and unexplained hepatic cirrhosis albumin infusion within a month |  
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