INS and fatty liver disease: Severity of fatty liver according to ultrasonography evaluation of the liver in patients had a positive relationship with waist circumference (P < 0.001), hip circumference (P < 0.001), serum TG (P = 0.001), serum FBS (P = 0.002), serum fasting insulin (P = 0.001), serum ALT (P = 0.017), systolic blood pressure (P = 0.048), and HOMA index (P < 0.001) and it had a negative correlation with the level of alkaline phosphatase (Alk) (P = 0.041).