Diagnostic performance of serum origin recognition complex subunit 1 protein for hepatitis B virus-related hepatocellular carcinoma

Table 2 Variable descriptions and assignments for logistic regression analysis

Variable	Description	Assignment and notes
X1	Gender	Female = 0, male = 1
X2	Age	≤ 45 years = 0, > 45 years = 1
X3	History of anti-HBV therapy	No = 0, unknown = 1, yes = 2
X4	HBV DNA load	Log10-transformed
X5	HBeAg status	Negative = 0, positive = 1
X6	HBsAg level	Log10-transformed
X7	ALT level	Measured value (U/L)
X8	AST level	Measured value (U/L)
X9	AFP level	Measured value (ng/mL)
X10	HBV integration	No = 0, yes = 1
Y	Serum ORC1 level	≤ median = 0, > median = 1

HBV: Hepatitis B virus; HBeAg: Hepatitis B e antigen; HBsAg: Hepatitis B surface antigen; ALT: Alanine aminotransferase; AST: Aspartate aminotransferase; AFP: Alpha-fetoprotein; ORC1: Origin recognition complex subunit 1.