Table 1.

Demographic and clinical information of participants with obesity and NW.

		NW (n = 30) (Mean ± SE)	LSG (n = 30) (Mean ± SE)		PreLSG vs. NW		PreLSG vs. PostLSG12		PostLSG12 vs. NW
		PreLSG	PostLSG12	T	P	T	P	T	P
Age (years)		28.00 ± 1.11	28.00 ± 1.31	29.10 ± 1.31	0.058	0.954	N/A	N/A	0.642	0.523
*Gender		11 M/19F	12 M/18F	12 M/18F	N/A	N/A	N/A	N/A	N/A	N/A
Weight (kg)		58.67 ± 1.91	106.99 ± 3.38	74.56 ± 3.16	12.435	< 0.001	20.828	< 0.001	4.303	< 0.001
%TWL		N/A	N/A	30.66 ± 1.34	N/A	N/A	N/A	N/A	N/A	N/A
BMI (kg/m2)		21.42 ± 0.46	38.06 ± 0.82	26.40 ± 0.81	17.612	< 0.001	20.648	< 0.001	5.340	< 0.001
HAMA		5.30 ± 0.82	10.17 ± 1.18	3.97 ± 0.53	3.375	0.001	5.746	<0.001	−1.362	0.178
YFAS		1.43 ± 0.18	5.30 ± 0.42	1.87 ± 0.26	8.416	<0.001	7.691	<0.001	1.372	0.175
HAMD		5.03 ± 0.81	9.53 ± 1.21	5.13 ± 0.80	3.092	0.003	3.751	<0.001	0.088	0.930
* *TFEQ	Cognitive control	8.65 ± 0.99	8.78 ± 0.87	13.48 ± 0.94	0.099	0.922	−3.956	<0.001	3.547	<0.001
	Disinhibition	5.87 ± 0.48	8.70 ± 0.51	5.48 ± 0.35	4.041	<0.001	6.119	<0.001	−0.663	0.511
	Hunger	3.40 ± 0.52	7.30 ± 0.52	3.35 ± 0.34	5.334	<0.001	7.899	<0.001	−0.070	0.944
* *DEBQ	Restrain eating	2.39 ± 0.19	2.93 ± 0.14	3.54 ± 0.16	2.324	0.025	−3.557	0.002	4.708	<0.001
	Emotional eating	2.11 ± 0.15	2.48 ± 0.15	2.02 ± 0.13	1.733	0.090	2.916	0.008	−0.487	0.629
	External eating	2.90 ± 0.11	3.36 ± 0.10	2.79 ± 0.11	3.072	0.004	4.871	<0.001	−0.688	0.495

Note: ^*Gender: chi-square test. ^**TFEQ, DEBQ: NW (n = 23), LSG (n = 23).

Abbreviation: %TWL, the percentage of total weight loss; BMI, body mass index; HAMA, Hamilton Anxiety Rating Scale; YFAS, Yale Food Addiction Scale; HAMD, Hamilton Depression Rating Scale; TFEQ, three Factor Eating Questionnaire; DEBQ, Dutch Eating Behavior Questionnaire; NW, normal weight; LSG, laparoscopic sleeve gastrectomy; PreLSG, participants with obesity who received MRI scan before surgery; PostLSG₁₂, participants with obesity who received MRI scan at 12 months after surgery; SE, standard error.