plasma beta-thromboglobulin , platelet factor 4 , fibrinogen , fibrinopeptide a , antithrombin iii , factor viii related antigen , alpha 2-macroglobulin , platelet count , and total glycosylated haemoglobin were measured in three well matched groups of subjects : non-diabetic controls , diabetics without retinopathy , and diabetics with proliferative retinopathy . beta-thromboglobulin and platelet factor 4 concentrations were significantly higher in the diabetics with retinopathy than in the controls and platelet factor 4 was also increased in the diabetics without retinopathy compared with controls .
C0011884
diabetics
C0035309
retinopathy