However, the ≥ 5% SMI loss group was comparable to the < 5% SMI loss group with regards to gender, diabetes, respiratory and cardiovascular comorbidity, serum albumin and hemoglobin, preoperative BMI, preoperative SMI, preoperative ECOG performance status, tumor location, type of resection, type of reconstruction, histology, and postoperative hospital stay. Here, ALB is linked to diabetes mellitus.