Table 2.

Percentage total weight loss results, unadjusted and adjusted data, after LRYGB for the two-stage (intra-gastric balloon followed by laparoscopic Roux-en-Y gastric bypass) and single-stage (laparoscopic Roux-en-Y gastric bypass only) procedure at 3, 6, 12 and 24 months

Total weight loss post-LRYGB procedure, %	Two-stage (n = 30)	Single-stage (n = 125)	Unadjusted p value	Adjusted p value
3 months (SD)	8.3 (3.9)	15.7 (8.1)	< 0.001*	< 0.001*
6 months (SD)	11.9 (5.6)	23.7 (11.4)	< 0.001*	< 0.001*
12 months (SD)	31.7 (11.0)	31.0 (10.9)	0.76	0.43
24 months (SD)	32.0 (11.0)	34.7 (10.7)	0.25	0.13

LRYGB laparoscopic Roux-en-Y gastric bypass, SD standard deviation

^*Statistically significant