Estimation of visceral fat is useful for the diagnosis of significant fibrosis in patients with non-alcoholic fatty liver disease

Table 3 Patient characteristics according to significant liver fibrosis (F ≥ 2)

	F0-1 (n = 59)	F ≥ 2 (n = 60)	P
Age (yr), mean ± SD	52 ± 10.5	61 ± 9.4	< 0.001
Sex (male), n (%)	34 (57.6)	45 (75)	0.054
Metabolic syndrome, n (%)	29 (49.2)	44 (73.3)	0.007
Number metabolic risk factors, n (%)			0.0021
0	4 (6.8)	2 (3.3)
1	11 (18.6)	5 (8.3)
2	15 (25.4)	9 (15)
3	17 (28.8)	17 (28.3)
4	9 (15.3)	18 (30)
5	3 (5.1)	9 (15)
Type 2 diabetes mellitus, n (%)	24 (40.7)	42 (67.7)	0.003
BMI (kg/m2), mean ± SD	32.5 ± 5.6	32.6 ± 4.8	0.966
Obese, n (%)	36 (61)	38 (63.3)	0.794
Normal BMI, n (%)	5 (8.5)	1 (1.7)	0.090
Waist circumference (cm), mean ± SD	108.6 ± 14.9	109.8 ± 13.3	0.663
Visceral fat, mean ± SD	13.1 ± 5	16.4 ± 5.1	< 0.001
Visceral fat ≥ 13, n (%)	29 (49.2)	48 (77.4)	0.001
CAP (dB/m), mean ± SD	330.5 ± 58	331.2 ± 44	0.946
Liver elastography (kPa), mean ± SD	8.8 ± 5.6	14.5 ± 8.8	< 0.001

Significant P values are shown in bold font.

¹Chi-squared for trend test.CAP: Controlled attenuation parameter; BMI: Body mass index.