1.8. Analysis.
Comparison 1 Surgery versus non‐surgery, Outcome 8 Initial weight loss [%].
| Initial weight loss [%] | ||||
|---|---|---|---|---|
| Study | Outcome | Surgery | No surgery | P‐value |
| Dixon 2008 | % Initial weight loss at 2 years, mean (SD) | 20.0 (9.4) | 1.4 (4.9) | P < 0.001 |
| Dixon 2012 | Weight loss at 2 years, %, mean (95% CI) | 20.6 (15.4 to 25.7) | 2.9 (0.6 to 7.3) | P < 0.001 |
| Ikramuddin 2013 | % weight change at 12 mo, mean (SD) | ‐26.1 (8.7) | ‐7.9 (7.8) | Difference ‐17.5 (95% CI ‐20.7 to ‐14.2) |
| Mingrone 2012 | Weight loss at 2 years, % (SD) | ‐33.31 (7.88) | ‐4.74 (6.37) | P < 0.001 |
| O'Brien 2006 | % of initial weight lost at 2 years (mean (95% CI)) | 21.6 (19.3 to 23.9) | 5.5 (3.2 to 7.9) | |