Table 2.

Variable definitions in the sub-DUCG of hepatitis C

Name	Description
B 3, BX 3	Hepatitis C
X 111–X 116	Risk factors of hepatitis C, including general population, blood donation, intravenous drug abuse, blood dialysis, hemophilia, and prostitution
X 110	Signs and symptoms of hepatitis C
X 3020	Laboratory tests of hepatitis C
X 3010–X 3012, X 3019, X 3021, X 3023, X 3048, X 3049, X 3064, X 3066	Bilirubin, alanine transaminase (ALT), aspartate aminotransferase (AST), urobilinogen, hepatitis C virus (HCV) RNA, anti-HCV IgG, leukopenia, thrombocytopenia, globulin, and α-1-fetoprotein (AFP)
X 117, X 118	Signs and symptoms of acute or chronic hepatitis C
X 3, X 4, X 7, X 8, X 16, X 44	Symptoms of hepatitis C successively loss of appetite, nausea, fever, jaundice, dark urine, and fatigue
X 1001, X 1003, X 1004	Signs of hepatitis C successively hepatomegaly, splenomegaly, and hepatalgia
X 119, X 133, X 135	Complications of chronic hepatitis C successively liver cancer, fatty liver, and cirrhosis