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Table 1 Clinical information, demographic data, and BDI-II scores

From: Psychological and weight-related characteristics of patients with anorexia nervosa-restricting type who later develop bulimia nervosa

  Patients with AN-R only Patients who crossed over from AN-R to AN-BP Patients who crossed over from AN-R to BN  
  Mean (SD) n Mean (SD) n Mean (SD) n F values
Age at onset (yrs.) 18.66 (6.22) 42 19.60 (4.28) 22 17.55 (2.91) 13 0.62
Age (yrs.) 22.72 (8.10) 43 26.64 (7.05) 22 23.79 (4.66) 14 2.09
Duration of illness (mo) 42.55 (45.26) 44 84.45a (63.33) 22 70.92 (40.70) 13 5.54**
Current BMI (kg/m2) 14.36 (2.14) 41 14.38 (1.32) 22 19.35a (3.96) 14 24.96**
Maximum BMI (kg/m2) 19.97 (2.59) 42 20.83 (3.63) 20 22.73a (2.92) 14 4.62*
Minimum BMI (kg/m2) 12.36 (1.96) 42 12.24 (1.68) 20 13.64 (1.93) 14 2.83
Differences of BMI(kg/m2) 7.61 (2.80) 42 8.60 (3.34) 20 9.09 (3.00) 14 1.61
BDI-II 18.75 (13.28) 44 22.36 (11.82) 22 29.36a (12.22) 14 3.75*
  1. Statistical significance by ANOVA: *p < .05, **p < .01
  2. a Superscript represents significant differences of p < .05 compared with patients with AN-R only by the Dunnett's test.
  3. AN-R = Anorexia Nervosa Restricting-type, AN-BP = Anorexia Nervosa Binge-eating/purging type, BN = Bulimia Nervosa, BMI = Body Mass Index, BDI-II = Beck Depression Inventory-II, SD = standard deviation