Correlation Between Preoperative Gastric Volume and Weight Loss After Laparoscopic Sleeve Gastrectomy

Figures & data

Figure 1 Sleeve pouch after stapling.

Table 1 Baseline Characteristics of the Whole Studied Group (n = 120)

	Value
Age (years)	34.0±9.7
Gender (Male/Female)	54/66
Body mass index (kg/m^2)	42.4±3.1
Comorbidities
Diabetes Mellitus	24 (20.0%)
Hypertension	13 (10.8%)
Hyperlipidemia	4 (3.3%)
Spine problems	2 (1.7%)
Lumbar disc prolapse	1 (0.8%)
Obstructive sleep apnea	1 (0.8%)
Knee osteoarthritis	1 (0.8%)
Sleep apnea	1 (0.8%)
Ischemic heart disease	1 (0.8%)

Note: Data are presented as mean±SD or number (%).

Table 2 Change of Weight and Body Mass Index Throughout the Follow-Up Period (n = 119)

	Weight (kg)	Body Mass Index (kg/m^2)
Preoperative	119.2±12.5	42.5±3.1
3 Months	100.2±12.2	35.7±3.3
6 Months	83.1±8.8	29.6±1.9
12 Months	69.2±7.8	24.6±1.0

Note: Data are presented as mean±SD.

Table 3 Percentage of Excess Weight Loss (%EWL) Throughout the Follow-Up Period (n = 119)

	%EWL	p-value*
3 Months	33.4±8.2
6 Months	62.6±7.1	< 0.001
12 Months	86.2±5.1	< 0.001

Notes: Data are presented as mean±SD. *Compared to EWL at three months.

Table 4 Correlation of Preoperative Gastric Volume with Patients’ Characteristics and Postoperative Weight Loss (n = 119)

	Correlation Coefficient	p-value
Age	0.095	0.302
Height	0.177	0.054
Preoperative Weight	0.170	0.064
Weight after 3 months	0.162	0.079
Weight after 6 months	0.149	0.106
Weight after 12 months	0.165	0.103
Body mass index	0.002	0.987
BMI after 3 months	0.024	0.796
BMI after 6 months	−0.026	0.780
BMI after 12 months	0.172	0.086
%EWL after 3 months	−0.046	0.620
%EWL after 6 months	0.051	0.582
%EWL after 12 months	−0.141	0.126

Abbreviations: BMI, body mass index; %EWL, percentage of excess weight loss.