ALB and diabetes mellitus: However, in group 1, no significant differences were found between the patients with and without complications in any of the other variables examined, including the age, gender ratio, mean duration of preoperative hemodialysis, preoperative PS, cardiovascular disorders, diabetes, diabetes-induced hemodialysis, serum creatinine, albumin and hemoglobin levels, the hematocrit value or the need for pre-, intra- or postoperative blood transfusions (Table 5).