Variables and definitions
blood loss, diabetes
BLOOD LOSS, HYPERTENSION, DIABETES
Patient’s baseline characteristics included (1) demographics such as age, sex, nationality, body mass index (BMI), temperature, heart rate, respiration rate, systolic blood pressure (SBP), diastolic blood pressure (DBP), blood type, hypertension, and diabetes, (2) surgery-related information such as the type of surgery, type of anesthesia, blood loss, operation time, catheterization, blood transfusion, perioperative use of hemostatics, drainage, and perioperative use of the hormone, and (3) preoperative laboratory examinations such as thrombin time (TT), APTT, prothrombin time (PT), D-dimer, fibrin, hemoglobin, platelet count, and erythrocyte sedimentation rate (ESR). The patient’s temperature, heart rate, respiration rate, SBP, and DBP were collected on the first day after hospitalization. Operation time was defined as the time from skin incision to skin closure.