Design and demography of the United States Swedish Adjustable Gastric Band trial: a 3-year prospective study

A total of 276 patients (mean age 38.6 ± 9.4 yrs [range 18-61], predominantly female [216, 78.3%] white non-Hispanic [169, 61.2%]) qualified for study inclusion and were enrolled. The intent-to-treat population was implanted with the SAGB. Preoperative weight and BMI (means) were 276.5 ± 40.8 lbs, and 44.5 ± 4.7, respectively.