Table 1.
Pre- and postoperative clinical and biochemical measurements.
| Measurement | Preoperative (n = 20) | Postoperative (n = 20) | P |
|---|---|---|---|
| Weight (kg) | 160.2 (44.2) | 124.8 (29.4) | <0.001 |
| BMI (kg/m2) | 57.3 (14.1) | 45.4 (10.1) | <0.001 |
| Waist (cm) | 143.7 (21.5) | 123.4 (20.1) | <0.001 |
| Systolic BP (mmHg) | 133 (18) | 128 (16) | 0.19 |
| Diastolic BP (mmHg) | 79 (9) | 75 (10) | 0.06 |
| Cholesterol (mmol/L) | 4.2 (0.9) | 3.9 (1.1) | 0.26 |
| LDL-C (mmol/L) | 2.2 (0.8) | 2.1 (0.9) | 0.73 |
| HDL-C (mmol/L) | 1.2 (0.3) | 1.1 (0.3) | 0.08 |
| Triglyceride (mmol/L) | 1.7 (0.9) | 1.4 (0.4) | 0.18 |
| HbA1c (%) | 7.2 (1.5) | 6.1 (1.3) | 0.02 |
| HbA1c (mmol/L) | 55 (43.1) | 43 (37.3) | 0.02 |
| Fasting glucose (mmol/L) | 7.8 (3.3) | 6.0 (3.1) | 0.13 |
| 2-hour glucose (mmol/L) | 12.7 (4.9) | 8.3 (5.9) | 0.01 |
| Fasting insulin (IU/mL) | 27.9 (16.2) | 11.4 (6.7) | 0.002 |
| Fasting C-peptide (ng/mL) | 3.6 (1.5) | 2.9 (1.5) | 0.10 |
| HOMA %S | 305.8 (208.3) | 617.5 (492.5) | 0.03 |
| HOMA- IR | 0.4667 (0.3016) | 0.3600 (0.4154) | 0.32 |
| C-pep: Insulin ratio | 0.1744 (0.0996) | 0.2741 (0.1246) | 0.001 |
| AEA (pmol/mL)* | 0.21 (0.04) | 0.19 (0.04) | 0.33 |
| OEA (pmol/mL)* | 1.05 (0.13) | 0.93 (0.18) | 0.25 |
| PEA (pmol/mL)* | 0.83 (0.09) | 0.74 (0.09) | 0.10 |
| 2-AG (pmol/mL)* | 5.0 (1.55) | 4.2 (1.40) | 0.14 |
*Geometric mean and approximate standard deviation shown for log transformed data.