Smoking is not associated with nonalcoholic fatty liver disease

Table 1 Comparative characteristics between smokers and nonsmokers

Variable	Smokers(n = 319) (mean ± SD)	Non-smokers(n = 566) (mean ± SD)	P
Age (yr)	46.9 ± 11.19	46.8 ± 12.05	NS
Weight (kg)	75.5 ± 15.99	73.84 ± 14.14	NS
Gender n (%)
Male	205 (64.26)	343 (60.60)	NS
Female	114 (35.74)	223 (38.40)
Height (m)	1.68 ± 0.09	1.66 ± 0.09	NS
BMI (kg/m2)	26.8 ± 4.49	26.6 ± 4.02	NS
Overweight and obesity n (%)
BMI ≥ 25 kg/m2	205 (64.26)	369 (65.19)	NS
BMI ≥ 30 kg/m2	54 (16.93)	105 (18.55)	NS
Waist circumference (cm)	84.3 (11.2)	83.4(11.5)	NS
Glucose (mmol/L)	5.42 ± 1.53	5.42 ± 1.52	NS
Type 2 diabetes mellitus n (%)	12 (3.7)	13 (2.3)	NS
High blood pressure (> 17.33/11.33 kPa) n (%)	21 (6.6)	64 (11.3)	< 0.05
Cholesterol (mmol/L)	5.4 ± 1.14	5.33 ± 0.95	NS
C-LDL (mmol/L)	3.48 ± 0.97	3.46 ± 0.85	NS
C-HDL (mmol/L)	1.0 ± 0.26	1.06 ± 0.28	< 0.005
Triglycerides (mmol/L)	2.18 ± 1.49	1.84 ± 1.10	< 0.001
C-reactive protein (mg/L)	3.5 ± 6.03	3.4 ± 5.10	NS
Erythrocyte sedimentation rate (mm/h)	11.3 ± 9.38	13.5 ± 11.90	< 0.001
Albumin (g/L)	4.0 ± 0.28	4.0 ± 0.31	NS
Total bilirubin (mg/L)	0.9 ± 0.39	1.27 ± 8.31	NS
ALT (UI/L)	31.4 ± 20.33	33.3 ± 26.8	NS
AST (UI/L)	26.9 ± 10.25	28.9 ± 16.28	< 0.05
Metabolic syndrome n (%)	133 (41.69)	208 (36.74)	NS
ALT 2 times upper normal limit value n (%)	4 (1.25)	8 (1.41)	NS
Hepatic steatosis n (%)	87 (27.27)	168 (29.68)	NS