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Table 1 Demographic and clinical data for the anorexia nervosa (AN) and control groups

From: Painfully thin but locked inside a fatter body: abnormalities in both anticipation and execution of action in anorexia nervosa

  AN group Control group  
  Mean SD Median Mean SD Median P
Age (years) 24.14 9.65 22 25.21 7.77 24 0.74a
Height (m) 1.66 0.05 1.67 1.67 0.08 1.68 0.85a
Shoulder width (cm) 36.07 1.54 35.7 40.66 3.23 39.75 <0.001b
Weight (kg)        
Current 40.42 3.78 39.85 60.04 .74 59 <0.0001b
Minimum reached (n AN = 13) 36.98 4.31 37 - - - -
Pre-disease(n AN = 14) 56.50 5.13 56 - - - -
1 month before (n AN = 13) 39.28 3.42 39.1 59.64 6.62 59 <0.0001b
6 month before (n AN = 13) 41.72 7.59 40.5 59.61 7.25 59 <0.0001b
BMI (kg/cm2)        
Current 14.70 1.50 14.76 21.62 1.82 21.78 <0.0001 a
Minimum reached (nAN = 13)* 13.26 1.30 13.31 - - - -
Difference (nAN = 13) 1.28 1.10 1.26 - - - -
BSQ score 126.93 42.36 137.5 80.50 24.63 80.5 0.002b
EDI-2        
Total score 110.79 34.23 112.5 34.93 16.87 34.5 <0.0001b
DT subscale score 12.21 7.18 14.5 3.21 4.46 2 <0.001b
BD subscale score 17.71 7.32 19 7.14 5.86 6.5 <0.001b
Disease        
Years since onset 5.71 9.67 2 - -   -
  1. BMI: body mass index; BSQ: Body Shape Questionnaire; EDI-2: Eating Disorder Inventory, second version; DT: drive for thinness; BD: body dissatisfaction; (a): T-test; (b): Mann–Whitney U-test. *n = 13 for the data concerning the weights because, for one participant, the medical staff could not find the different weights due to the patient’s hospitalization in different institutions.