Table 3.

Factors affecting CAP measurements.

Etiology	[53] *	[56] *	[57] *	[59] *	[60] *	[61] *	[62] *	[63] *
	NAFLD	NAFLD Others	NAFLD HBV HCV Others	HCV	NAFLD HBV HCV	NAFLD HBV HCV Others	NAFLD HBV	HBV
Age				×	×			×
Sex				×	×			×
Body mass index	○		○		○	○	○	○
Liver steatosis	○	○	○	○	○	○	○	○
Inflammation		×	×	×	×	×		×
Liver fibrosis		×	×	×	×	×
AST	×				×	×	△
ALT	×		×		×	×	△	×
Total cholesterol	×		×		×	×	△	×
Triglyceride	○				×	×	△	×
Fasting glucose	×					×

* Reference number; ○: significant and independent factor; △: factor excluded by the stepwise regression analysis; ×: not a significant factor. Abbreviations: CAP, controlled attenuation parameter; AST, aspartate aminotransferase; ALT, alanine aminotransferase; NAFLD, non-alcoholic fatty liver disease; HBV, hepatitis B virus; HCV, hepatitis C virus.