Table 1.

Participant’s characteristics

	RYGB (n = 9)	Lifestyle (n = 8)	Control (n = 9)
Age (years)	42 ± 10	51 ± 7	38 ± 8
Pre-intervention excess weight (kg)	62.4 ± 19.8	54.1 ± 14.7	58.4 ± 12.4
Pre-intervention BMI (kg/m2)	46.6 ± 6.6	44.6 ± 6.2	43.9 ± 3.1
Post-intervention BMI (kg/m2)	35.0 ± 4.5*	42.1 ± 7.0	43.9 ± 3.1*
Weight loss at 3 years (kg)	34.0 ± 20.8*	7.2 ± 5.2*	_
Excess weight loss (%)	51.9 ± 17.4**	14.4 ± 12.2**	_

Results are expressed as mean ± SD

*P < 0.01, with means sharing the same symbol denoting significant differences between groups

**P < 0.0001, with means sharing the same symbol denoting significant differences between groups