Table 1:

Patient Demographic, Anthropomorphic Characteristics and Gastrointestinal Symptoms at Baseline

Variable	Overall (n=228)	RYGB (n=161)	VSG (n=67)	p-value RYGB vs Sleeve
Age at surgery (years)	16.5 (1.6)	16.6 (1.6)	16.4 (1.7)	0.33
Sex (Female)	171 (75)	126 (78)	45 (67)	0.08
Race:				0.23
White	164 (72)	119 (73)	45 (67)
Black	50 (22)	35 (22)	15 (22)
Asian	1 (0.4)	1 (1)	0
American Indian or Alaskan Native	1 (0.4)	0	1 (2)
More than one race	12 (5)	6 (4)	6 (9)
Hispanic	16 (7)	15 (9)	1 (2)	0.04
Household income:				0.06
<S25,000	83 (38)	51 (33)	32 (52)
S25,000–S49,999	44 (20)	31 (20)	13 (21)
S50,000–S74,999	38 (17)	28 (18)	10 (16)
≥$75,000	53 (24)	46 (30)	7 (11)
Missing	10	5	5
Weight (kg)	148.8 (31.2)	150.9 (30.3)	143.6 (33.0)	0.04
Height (cm)	167.9 (9.1)	167.5 (8.5)	168.7 (10.5)	0.18
BMI (kg/m2)	52.6 (9.4)	53.7 (9.6)	50.1 (8.3)	0.004
Gastrointestinal symptoms
Abdominal Pain	22 (10)	15 (9)	7 (10)	0.79
Bloating	18 (8)	12 (7)	6 (9)	0.70
Constipation	6 (3)	5 (3)	1 (1)	0.67
Diarrhea	18 (8)	13 (8)	5 (7)	0.88
Belching	8 (4)	7 (4)	1 (1)	0.44
GERS*	25 (11)	19 (12)	6 (9)	0.53
Nausea	23 (10)	17 (11)	6 (9)	0.70
Early post-operative complications	54 (24)	42 (26)	12 (17.9)	0.19

Data presented as mean (standard deviation) or n (%)

RYGB is Roux-en-Y gastric bypass and VSG is vertical sleeve gastrectomy

^*GERS – Gastroesophageal reflux symptoms(defined as the presence of heartburn or acid reflux)