PIK3C2A and obesity due to melanocortin 4 receptor deficiency: Overweight versus obesity (BMI ≥ 25 vs BMI < 25): Gender, age, race, education level, marital status, annual household income, ALT, serum albumin, ALP, bicarbonate, BUN, CPK, serum creatinine, globulin, serum glucose, GGT, serum iron, LDH, osmolality, phosphorus, total bilirubin, total calcium, serum cholesterol, serum triglycerides, and uric acid were statistically significant.