Table 1.

Mean preoperative and postoperative anthropometric values of the study sample

Parameter	Preop M (SD)	Postopa M (SD)	P	Difference M (SD)
Weight	126.15 (22.76)	78.5 (13.17)	< 0.0001	51.82 (28.05)
BMI (kg/m2)	46.04 (5.99)	28.30 (6.07)	< 0.0001	17 (6.24)
EW (kg)	66 (19.54)	21 (14.9)	< 0.0001	47.94 (19.84)
EWL (%)	–	81.08 (19.65)	–	–

M mean, SD standard deviation, Difference preop value minus postop value, BMI body mass index, EW excess weight, EWL (%) excess weight loss (%), — not applicable

^aMeasured at a mean of 24.2 months