Fructose-sorbitol ingestion provokes gastrointestinal symptoms in patients with eating disorders

Table 1 Type of eating disorder and ED behaviors in patients according to symptom response to fructose-sorbitol

	No symptom response (n = 12)	Symptom response (n = 14)
Type of eating disorder	f (%)	f (%)
Anorexia nervosa	2 (17)	8 (57)
Bulimia nervosa	4 (33)	1 (7)
EDNOS	6 (50)	5 (36)
Eating disorder behaviors
Self-induced vomiting	7 (58)	6 (43)
Laxative abuse	1 (8)	1 (7)
Binge eating	7 (58)	2 (14)1

ED: Eating disorder; EDNOS: Eating disorder not otherwise specified; f: Frequency;

¹χ² > 5.54, df = 1, P < 0.05 (Fisher’s exact test).

Table 2 Psychological characteristics and QOL ED in ED patients according to symptom response to fructose-sorbitol (mean ± SD)

	No symptom response (n = 12)	Symptom response (n = 14)
Eating attitudes test	62 ± 26	67 ± 19
BSI somatization	14.0 ± 8.1	13.6 ± 7.1
BDI depression	30.4 ± 12.6	30.8 ± 7.0
STAI trait anxiety	63.6 ± 9.7	61.0 ± 7.2
STAI state anxiety	60.1 ± 9.4	63.3 ± 10.2
EPQ neuroticism	19.3 ± 2.5	20.6 ± 2.5
QOL ED global	17.0 ± 3.2	14.7 ± 2.4
QOL ED psychological	3.3 ± 1.1	3.2 ± 1.3

BSI: Brief Symptom Inventory; BDI: Beck Depression Inventory; STAI: Spielberger State-Trait Anxiety Inventory; EPQ: Eysenck Personality Questionnaire; QOL ED: Quality of Life Eating Disorder Scale.