Banded Sleeve Gastrectomy Improves Weight Loss Compared to Nonbanded Sleeve: Midterm Results from a Prospective Randomized Study

Table 2

Differences in BMI at each follow-up up to 4 years.

Follow-up	Group A (LSG n = 25)	Group B (LBSG n = 25)	p value
Preoperative BMI (mean, SD)	47.3 ± 6.58 kg/m^2	45.95 ± 5.85 kg/m^2	0.244
3-month BMI (mean, SD)	37.86 ± 5.72 kg/m^2	37.58 ± 6.21 kg/m^2	0.869
6-month BMI (mean, SD)	33.64 ± 6.08 kg/m^2	32.03 ± 5.24 kg/m^2	0.325
12-month BMI (mean, SD)	29.72 ± 4.40 kg/m^2	27.42 ± 4.47 kg/m^2	0.186
36-month BMI (mean, SD)	28.02 ± 4.21 kg/m^2	24.32 ± 4.54 kg/m^2	0.000205
48-month BMI (mean, SD)	28.80 ± 4.62 kg/m^2	24.10 ± 4.52 kg/m^2	0.00199

LSG: laparoscopic sleeve gastrectomy; LBSG: laparoscopic banded sleeve gastrectomy. ANOVA test.