Table 3: Univariate analyses of melatonin association with IL-18 .

Variables	Coefficient	Std. Err	t	P value	95% CI
Sex (Female)	7.07	4.53	1.56	0.12	-1.90, 16.06
Age	0.38	0.192	2.0	0.04	0.00, 0.76
BMI	0.07	0.06	1.29	0.20	-0.04,0.20
Total cholesterol (mg/dL)	0.04	0.04	0.98	0.33	-0.04, 0.13
LDL (mg/dL)	-0.03	0.07	-0.46	0.63	-0.18,0.11
HDL(mg/dL)	0.11	0.27	0.40	0.60	-0.44, 0.66
Triglyceride(mg/dL)	0.05	0.02	2.15	0.03	0.00, 0.10
AST (U/L)	0.26	0.06	3.90	< 0.001	0.13, 0.39
ALT (U/L)	0.18	0.05	3.64	< 0.001	0.08, 0.28
ALP (U/L)	0.05	0.03	1.55	0.12	-0.01, 0.12
FBS	0.10	0.07	1.49	0.14	-0.03, 0.25
Stages of fibrosis
Mild to moderate	14.61	5.14	2.84	0.006	4.38, 24.83
Severe	12.05	5.20	2.32	0.02	1.71, 22.40
Stages of steatosis
Mild to moderate	2.46	6.14	0.40	0.689	-9.73, 14.65
Severe	12.13	5.06	2.40	0.018	2.09, 22.18
Melatonin	0.02	0.00	5.85	< 0.001	0.01, 0.03

BMI:body mass index; AST: Aspartate transaminase; ALT: Alanine aminotransferase; ALP: Alkaline phosphatase; FBS: Fasting blood sugar