RYGB patients had a higher preoperative body mass index ( BMI ) than LAGB patients ( 46.86.8 versus 43.54.8 kg/m ( 2 ) , respectively ; P = .001 ) , were more likely to report dumping ( 45.7 % versus 4.7 % , P < .0001 ) , and were less likely to report plugging ( 45.7 % versus 79.1 % , P = .0005 ) .