Characteristics

Mean ± SD or N (Percentage)

Female/Male

365 (94.6%)/21 (5.4%)

Age at admission (years)

29.4 (±11.5)

Subtype of anorexia nervosa:

Restricting

180 (46.6%)

Binge-eating/purging

186 (48.2%)

Atypical AN

20 (5.2%)

Age at AN onset (years)

19 (±7.6)

Duration of AN at admission (years)

9.9 (±9.3)

History of hospitalization for AN in other hospitals (before admission in the unit)

302 (78.2%)

Number of hospitalizations for AN (before admission in the unit)

2.9 (±3.4)

Patient’s regular behavior:

Self induced vomiting

162 (42%)

Laxative misuse

81 (21%)

Potomania

54 (14%)

Diuretic use

15 (3.9%)

Problematic exercice

175 (45.3%)

BMI (kg/m²):

Admission

12.7 (±2.2)

Discharge

14.2 (±1.9)

Weight gain during hospitalization (kg)

3.8 (±4)

Psychiatric comorbidities:

Personality disorders

84 (21.8%)

Obsessive-compulsive disorders

32 (8.3%)

Mood disorders and/or Anxiety disorders

181 (46.9%)

History of suicide attempt

81 (21%)

Self-mutilations (nonsuicidal self-injury disorder)

28 (7.3%)

Attention Deficit Hyperactivity Disorder

5 (1.3%)

Kleptomania

3 (0.8%)

Addictions:

Alcohol use disorder

34 (8.8%)

Substance use disorder

24 (6.2%)

Tobacco use disorder

127 (33%)