SERPINE1 and metabolic syndrome: Plasma PAI-1 correlated significantly to BMI and waist circumference (r = 0.83, P˂0.001 and r = 0.78, P˂0.001 respectively) and to factors involved in the MetS; P-glucose, HbA1c and triglycerides (r = 0.54, P = 0.011; r = 0.54, P = 0.011; r = 0.67, P = 0.001).