Regarding baseline data, patients with TWA blood glucose >10.0 mmol/L had a lower percentage of male sex, a higher body mass index, and a higher percentage of hypertension than those with TWA blood glucose <8.0 mmol/L; they also had a higher percentage and a longer duration of diabetes, received more insulin, had a higher Charlson Comorbidity Index, and had lower preoperative hemoglobin and preoperative albumin but a higher glucose than those with TWA blood glucose either <8.0 mmol/L or from 8.0 to 10.0 mmol/L. Here, INS is linked to diabetes mellitus.