Table 2. Changes in BMI, Total Weight Loss (TWL), and Percentage of Excess Weight Loss (%EWL) Following Post-operation.

^aCompared to baseline

^bSix months compared to three months

*Significant level at p < 0.05

**Significant level at p < 0.01

BS, bariatric surgery; RYGB, Roux-en-Y gastric bypass; SG, sleeve gastrectomy; BMI, body mass index

	BMI			TWL		%EWL
	Baseline	3 Months	6 Months	3 Months	6 Months	3 Months	6 Months
BS	45.12 ± 1.45	37.29 ± 1.16a	31.36 ± 0.91ab	19.92 ± 1.83**	35.15 ± 3.25**	33.42**	57.85**
RYGB	46.23 ± 5.23	38.31 ± 3.58	29.84 ± 2.4ab	19.66 ± 5.54	41.00 ± 7.21*	31.81*	67.63*
SG	44.97 ± 1.55	37.16 ± 1.26a	31.58 ± 0.99ab	19.96 ± 1.99**	34.39 ± 3.57**	33.63**	56.58**