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. 2014 Aug 8;2014(8):CD003641. doi: 10.1002/14651858.CD003641.pub4

1.4. Analysis.

Comparison 1 Surgery versus non‐surgery, Outcome 4 Weight [kg].

Weight [kg]
Study Outcome Surgery No surgery P‐value
Dixon 2012 Weight at 2 years, kg, mean (95% CI) 107 (99 to 116) 121.8 (113 to 129)
Dixon 2012        
Dixon 2012        
Ikramuddin 2013 Weight at 12 mo, mean (SD) 73.0 (13.6) 90.1 (17.0) Difference ‐16.0 (95% CI ‐21.1 to ‐10.8)
Ikramuddin 2013        
Ikramuddin 2013        
O'Brien 2006 Weight at 12 months, kg, (mean (95% CI)) 76.3 (74.1 to 78.5) 85.3 (83.0 to 87.5) P < 0.001
O'Brien 2006 Weight at 18 months, kg, (mean (95% CI)) 75.2 (73.1 to 77.4) 87.7 (79.9 to 83.0) P < 0.001
O'Brien 2006 Weight at 24 months, kg, (mean (95% CI)) 74.5 (72.4 to 76.7) 89.5 (80.5 to 83.6) P < 0.001
Schauer 2012 Weight at 12 months, kg, mean (SD): LRYGB 77.3 (13.0) 99.0 (16.4) P < 0.001
Schauer 2012 Weight at 12 months, kg, mean (SD): LSG 75.5 (12.9) 99.0 (16.4) P < 0.001
Schauer 2012