Table 16: Summary of Findings on 3-Year Weight Loss After Standard-Limb Roux-en-Y Gastric Bypass.
| 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? |
|---|---|---|---|---|---|---|
| Brolin (2002) | 99 | 74 | 56.9 (7) | 48.2 | 41 (7) | Yes |
| Wittgrove (2000) | 500 | 92 | 43.7 (6.5) | 38.2 | 27.4 (6.5) | Yes |
| Smith (1996) | 205 | 44 | 45 | 39.2 | 29.8 | Yes |
| Pories (1995) | 608 | 383 | 49.7 (8.3) | 42.7 | 32.2 (8.3) | Yes |
| Carson (1994) | 159 | 61 | 48.7 (9.9) | 42 | 34.8 (9.1) | Yes |
(Table reproduced with kind permission from ECRI. Bariatric Surgery for Obesity. 2004. Plymouth Meeting, PA, ECRI. Technology Assessment Report.)