Association between Smoking and Liver Fibrosis among Patients with Nonalcoholic Fatty Liver Disease

Table 2

Proportion of liver fibrosis and advanced fibrosis by groups.

Variables	Nonalcoholic fatty liver disease
	Smoking	Nonsmoking
Sample size	98	127
Liver stiffness value			0.046
<7.4 (kPa)	52	88
7.4–9.8 (kPa)	22	16
>9.8 (kPa)	24	23
Liver stiffness value, kPa	10.12 ± 10.38	7.26 ± 6.42	0.013