Determinants of Weight Loss following Laparoscopic Sleeve Gastrectomy: The Role of Psychological Burden, Coping Style, and Motivation to Undergo Surgery
Table 1
Weight and BMI characteristics for groups with low, moderate, and high %EWL before and after laparoscopic sleeve gastrectomy (LSG).
Postoperative excess weight loss (EWL) in %
Group 1
Group 2
Group 3
Low %EWL
Moderate %EWL
High %EWL
M (SD)
M (SD)
M (SD)
%EWL Range
30.3 (7.5) 14–39
48.6 (6.0) 40–59
80.9 (17.8) 60–115
102.0
<0.001
3.7
Follow-up (months)
19.9 (5.4)
18.5 (5.9)
20.9 (8.7)
0.7
0.511
0.3
Weight (kg)
preOP
154.1 (24.7)
161.7 (37.9)
136.3 (23.7)
4.1
0.021
0.7
postOP
129.9 (18.5)
118.9 (23.3)
84.3 (13.7)
33.0
<0.001
2.1
Excess weight (kg)
preOP
79.9 (21.4)
87.6 (31.2)
64.9 (21.4)
4.5
0.015
0.8
postOP
55.7 (15.7)
44.8 (15.9)
13.0 (12.1)
47.9
<0.001
2.5
BMI (kg/m2)
preOP
52.1 (7.2)
54.5 (8.5)
47.7 (7.1)
4.2
0.019
0.7
postOP
43.9 (5.5)
40.1 (4.5)
29.6 (4.2)
51.7
<0.001
2.6
Note: preOP, preoperative; postOP, postoperative; %EWL, excess weight loss in percentage; BMI, body mass index. Statistically significant values are marked in boldface.
