The Effect of Preoperative Type 2 Diabetes and Physical Fitness on Mental Health and Health-Related Quality of Life after Roux-en-Y Gastric Bypass

Table 1

Improvement of weight, BMI, physical fitness (VO₂max), mental health (SCL-90), HRQOL (SF-36), and body image (BIQ) from baseline to time point (B), from time point (B) to time point (C), and from time point (C) to time point (D). SE: standard error; GSI: General Severity Index.

	Baseline; mean (SE)	Follow-up (B); diff. (SE)	Follow-up (C); diff. (SE)	Follow-up (D); diff. (SE)
	40	32	31	23
Physical measures
Weight (kg)	127. 8 (3.0)	−7.3 (1.2)	−19.5 (1.7)	−11.0 (1.8)
BMI (kg/m^2)	42.7 (0.7)	−2.1 (0.2)	−7.2 (0.3)	−3.4 (0.6)
VO2max (mL/min/kg)	21.1 (0.8)	0.8 (0.5)	3.2 (0.5)	3.6 (1.0)
SCL-90
Somatization	1.73 (0.1)	−0.11 (0.1)	−0.005 (0.1)	−0.17 (0.1)
Depression	1.79 (0.1)	−0.05 (1.1)	−0.22 (0.1)	−0.20 (0.1)
Anxiety	1.46 (0.1)	−0.02 (0.1)	−0.15 (0.1)	−0.07 (0.1)
GSI	1.68 (0.1)	−0.06 (0.1)	−0.13 (0.1)	−0.16 (0.1)
SF-36
Physical function	68.94 (3.2)	5.95 (2.5)	13.17 (2.9)	7.68 (1.8)
Physical role	74.51 (4.9)	−5.27 (7.0)	21.88 (6.3)	3.83 (2.7)
Bodily pain	56.25 (3.5)	4.15 (3.7)	10.40 (3.4)	3.75 (3.3)
General health	60.89 (2.9)	5.43 (3.6)	16.57 (2.9)	4.14 (3.0)
Vitality	55.10 (3.4)	6.07 (3.0)	11.60 (2.9)	5.13 (2.3)
Social function	88.21 (2.9)	−2.53 (3.5)	1.42 (4.5)	12.66 (4.1)
Mental role	81.00 (4.7)	−1.88 (5.9)	16.43 (5.1)	3.95 (2.9)
Mental health	79.74 (1.9)	−0.19 (1.8)	5.20 (1.9)	1.23 (1.9)
BIQ
Weight-related body image	2.35 (0.1)	0.49 (0.1)	0.56 (0.1)	0.27 (0.1)

< 0.05; < 0.001.