. 2019 Sep 6;102(1):54–61. doi: 10.1308/rcsann.2019.0100

Table 1.

Demographics for study participants.

	LAGB (n = 65)	LSG (n = 70)	LRYGB (n = 218)	P –value^a
BMI subcategories^b n, (%):
MO (40–49.9 kg/m²)	23 (35.3)	31 (44.2%)	104 (47.7%)	0.625
SO (50–59.9 kg/m²)	38 (58.4)	33 (47.1%)	101 (46.3%)	0.481
SSO (> 60 kg/m²)	4 (6.1)	6 (8.5%)	13 (5.9%)	0.169
Female gender^b n, (%):
Morbidly obese	18 (81.8)	18 (60%)	83 (80.6%)	0.053
Super-obese	25 (65.8)	23 (69.7%)	78 (77.2%)	0.349
Super-super-obese	1 (25)	4 (66.7%)	12 (92.3%)	0.025
Age (years), median (IQR):
Morbidly obese	52.6 (42.5–59.8)	41.9 (33.7–52.9)	43.8 (36.8–50.9)	0.070
Super-obese	52.0 (41.2–61.6)	46.8 (39.9–55.5)	41.9 (32.1–47.3)	0.005
Super-super-obese	43.4 (29.3–53.6)	40.2 (32–49.4)	39.7 (26.3–49)	0.983
Initial weight (kg), median (IQR):
Morbidly obese	123.5 (116.1–133.6)	136.4 (121.9–154)	126.9 (118.9–138.6)	0.074
Super-obese	147.1 (136.6–165.8)	142.5 (137.4–155.1)	144.8 (135–156.2)	0.621
Super-super-obese	203.7 (181.7–221.8)	192.1 (159.9–214.9)	163.2 (153.3–194.3)	0.438
Excess body weight (kg), median (IQR):
Morbidly obese	58.2 (54.4–63.7)	64.1 (54.8–72.5)	59 (54.1–66.4)	0.213
Super-obese	76.7 (71.9–88.9)	73.6 (69.9–83.9)	77.4 (69.9–83.9)	0.835
Super-super-obese	127.5 (116–137.1)	119.2 (98.6–137.1)	96.7 (90.4–120.3)	0.053
BMI (kg/m²), median (IQR):
Morbidly obese	47.2 (46.3–48.3)	46.4 (44.5–48.3)	46.6 (44.8–48.3)	0.625
Super-obese	53.2 (51.6–55.2)	52.9 (50.7–55.5)	52.4 (51.1–54.7)	0.481
Super-uper-obese	66.9 (65.5–69.2)	66.7 (62.1–69.6)	61.5 (60.6–65.6)	0.169

^a P-values calculated using Kruskal–Wallis analysis of variance test across groups of continuous variables.

^b P-values estimated using chi-square test across groups of categorical variables.

BMI, basal metabolic index; IQR, interquartile range; LAGB, laparoscopic adjusA gastric bands; LRYGB, Laparoscopic Roux-en-Y gastric bypass; LSG, laparoscopic sleeve gastrectomy.