SERPINE1 and type 2 diabetes mellitus: Additionally, there was no difference in the platelet pool of PAI-1 between the three groups; T2D 1.67±0.19 ng/106 platelets, obese 1.77±0.76 ng/106 platelets and lean control subjects 1.97±0.41 ng/106 platelets (P = 0.606) (Fig 1C).