Classification of subtypes of patients with eating disorders by correspondence analysis

Table 2 Distribution of the illustrative variables, by subtype

	n (%)	Type of patient				P value
		A	B	C	D
Illustrative variables
Type of ED						0.11
AN	53 (30.11)	17 (40.48)	13 (25.00)	8 (17.02)	15 (42.86)
BN	34 (19.32)	6 (14.29)	10 (19.23)	13 (27.66)	5 (14.29)
EDNOS	89 (50.57)	19 (45.24)	29 (55.77)	26 (55.32)	15 (42.86)
Subtype of ED						< 0.0001
Restrictive	51 (28.98)	8 (19.05)	16 (30.77)	4 (8.51)	23 (65.71)
Purgative	103 (58.52)	30 (71.43)	28 (53.85)	33 (70.21)	12 (34.29)
Binge	22 (12.50)	4 (9.52)	8 (15.38)	10 (21.28)	0 (0)

Types of patients have been labeled in alphabetical order. The four subtypes (A, B, C and D) identified for the MCA factors “Psychosocial impairment” (first factor), and “Socio-demographic data” (second factor) provide a typology of eating disorders patients. ED: Eating disorder; AN: Anorexia nervosa; BN: Bulimia nervosa; EDNOS: Eating disorder not otherwise specified. Type and subtype of eating disorder are based on DMS-IV-TR.