Table 11: Summary of Findings on 3-Year Weight Loss After Vertical Banded Gastroplasty.
| Study (Year) | Patients at Baseline, N | Patients at Follow-up, N | BMI at Baseline, Mean (SD) | BMI Corresponding to 25% EWL |
BMI at 3 years After Surgery, Mean (SD) | Did the 3-Year BMI Suggest > 25% EWL? |
|---|---|---|---|---|---|---|
| Avsar (2004) | 40 | 20 | 45 (6.4) | 39.2 | 28 (1.4) | Yes |
| Kalfarentzos (2001) | 35 | 29 | 44.1 | 38.5 | 32 | Yes (weight reduction was statistically significant) |
| Melissas (2001) | 125 | 86 | 47.4 (4.4) | 41 | 32.6 (4.2) | Yes |
| Nilsell (2001) | 30 | 15 | 43.9 (3.8) | 38.4 | 31.5 (7.5) | Yes |
| Hernandez-Estefania (2000) | 67 | 32 | 47.5 (7.7) | 41.1 | 34.3 (7.7) | Yes |
| Husemann (1999) | 682 | 436 | 52 | 44.5 | 34 | Yes |
| Van Gemert (1997) | 32 | 19 | 47 (7.5) | 40.7 | 30.2 (5.6) | Yes |
| Capella (1996) | 328 | 207 | 52 (9) | 44.5 | 39 (9) | Yes |
| Howard (1995) | 22 | 10 | 47.9 (6.6) | 41.4 | 34 (6.6) | Yes |
(Table reproduced with kind permission from ECRI. Bariatric Surgery for Obesity. 2004. Plymouth Meeting, PA, ECRI. Technology Assessment Report.)