Table 2.
The evaluation criteria
| Evaluation items | Evaluation criteria |
|---|---|
| T2DM diagnostic criteria [23] | FPG ≧7.0 mmol/L or oral glucose tolerance test 2 h blood glucose ≧11.1 mmol/L or glycated haemoglobin ≧6.5% |
| Postoperative complication | Clavien-Dindo grading [24] |
| T2DM in complete remission [25] | No need for glucose-lowering therapy postoperatively, and glycated haemoglobin < 6.0% |
| %TWL [26–28] | (Preoperative weight—postoperative weight)/preoperative weight × 100% |
| %EWL [27, 28] | (Preoperative weight—postoperative weight)/(preoperative weight—ideal weight) (ideal BMI = 23 kg/m2) |
| Hypertension diagnostic criteria | Systolic blood pressure (SBP) ≥ 140 mmHg or diastolic blood pressure (DBP) ≥ 90 mmHg |
| Hyperlipidemia diagnostic criteria [29] | Total cholesterol ≥ 5.7 mmol/L or triglyceride ≥ 1.7 mmol/L |
| Hyperlipidemia complete remission | No need for oral medication after surgery, total cholesterol < 5.7 mmol/L and triglycerides < 1.7 mmol/L |
| Wasting Diagnostic criteria [30] | BMI < 18.5 kg/m2 with extreme loss of muscle and/or fat |
| Anemia | Haemoglobin (HGB) < 110 g/L |
| Hypoalbuminemia | Albumin < 35 g/L |
| Total protein deficiencies | Total protein < 62 g/L |
| Serum folate deficiency | Folic acid < 3.2 ng/mL |
| Serum vitamin B12 deficiency | Vitamin B12 < 180 pmol/L |
| Serum vitamin D deficiency | Vitamin D < 30 ng/mL |
| Serum calcium deficiency | Calcium < 2.1 mmol/L |
| Serum iron deficiency | Iron < 8.9 µmol/L |
| Serum zinc deficiency | Zinc < 11.1 µmol/L |