Table 2.

Baseline characteristics

Demographic
Age (years)	14.1 (2.1)
Female, n (%)	57 (57.6)
Clinical
Steatosis, n (%)	43 (43.4)
BMI z-score	3.3 (0.3)
Waist circumference, cm (IQR)	102 (14)
Biological data
ALT, IU/L (IQR)	27 (22)
γGT, IU/L (IQR)	21 (9)
HOMA-IR (IQR)	3.17 (2.5)
Triglycerides, mmol/L (IQR)	0.85 (0.60)
Total cholesterol, mmol/L	4.02 (0.79)
HDL-cholesterol, mmol/L	1.07 (0.23)
LDL-cholesterol, mmol/L	2.52 (0.69)
Imaging data
US steatosis score 0, n (%)	23 (23.2)
US steatosis score 1, n (%)	42 (42.4)
US steatosis score 2, n (%)	25 (25.3)
US steatosis score 3, n (%)	9 (9.1)

Continuous variables are expressed in mean with standard deviation in parentheses or median with interquartile range (IQR) in parentheses or n (%). BMI body mass index, ALT alanine aminotransferase, AST aspartate aminotransferase, γGT gamma-glutamyltransferase, HOMA-IR homeostatic model assessment of insulin resistance, HDL high-density lipoprotein, LDL low-density lipoprotein, US ultrasound