Table 1.
Baseline characteristics (n = 152)
| Re-VBG n = 21 (13.8%) Mean ± SD | cSG n = 16 (10.5%) Mean ± SD | cRYGB n = 115 (75.7%) Mean ± SD | P value | |
| Age (yr) | 42.3 ± 8.6 | 41.6 ± 11.4 | 43.0 ± 8.9 | 0.828 |
| Male:female | 5:16 | 3:13 | 19:96 | 0.674 |
| Body mass index before VBG (kg/m2) | 42.6 ± 5.4 | 43.6 ± 5.0 | 44.1 ± 4.9 | 0.445 |
| Preoperative comorbidities | ||||
| Type 2 diabetes mellitus (n) | 4 | 2 | 13 | 0.538 |
| Hypertension (n) | 4 | 2 | 25 | 0.79 |
| Dyslipidemia (n) | 0 | 3 | 11 | 0.111 |
| Sleep apnea (n) | 1 | 1 | 2 | 0.249 |
| Osteo-articular disease (n) | 5 | 0 | 9 | 0.038 |
| Patients with 1 or more comorbidity | 10 | 5 | 41 | 0.512 |
| Operative time (min) | 77.0 ± 39.2 | 100.6 ± 19.6 | 130.7 ± 47.3 | < 0.001 |
| Length of hospital stay (d) | 3.1 ± 2.9 | 3.8 ± 2.2 | 4.1 ± 5.8 | 0.761 |
| Interval between VBG and revision (mo) | 12.3 ± 10.7 | 30.7 ± 26.5 | 47.8 ± 34.8 | < 0.001 |
| Average %EWL after VBG (%) | 61.7 ± 27.0 | 38.7 ± 22.9 | 43.5 ± 25.0 | 0.007 |
Re-VBG: Revision of the vertical banded gastroplasty; cSG: Conversion to sleeve gastrectomy; cRYGB: Conversion to Roux-en-Y gastric bypass; VBG: Vertical banded gastroplasty; %EWL: Percentage of excess weight loss.