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Table 1 Demographic and clinical characteristics

From: State or trait: the neurobiology of anorexia nervosa — contributions of a functional magnetic resonance imaging study

 

AN (n = 31)

REC (n = 18)

NP (n = 27)

ANOVA

Post hoc t test Tukey–Kramer*

Mean

SD

Mean

SD

Mean

SD

(F; p)

Age (years)

24.1

4.3

27.4

7.7

23.6

3.0

F = 3.7; p < 0.03

REC > NP

Current BMI (kg/m2)

16.3

1.4

20.8

1.2

22.1

2.2

F = 92.1; p < 0.001

NP > REC > AN

Lowest-lifetime BMI (kg/m2)

14.8

1.4

14.4

2.9

20.9

1.8

F = 40.85; p < 0.001

NP > REC,AN

Duration of illness (in months)

69.4

47.5

65.0

62.0

F = 0.076; p = 0.784

Duration of recovery (in months)

52.7

77.1

EDE—mean

3.3

1.0

0.7

0.4

0.4

0.3

F = 142.9; p < 0.001

AN > REC,NP

EDE—sum score

74.4

26.4

15.0

9.0

9.9

7.0

F = 111.1; p < 0.001

AN > REC,NP

EDI—total score

61.9

9.4

47.7

5.2

44.6

3.1

F = 51.85; p < 0.001

AN > REC,NP

EDI-2—drive for thinness (t-values)

83.6

20.0

48.0

13.3

44.6

6.4

F = 58.6; p < 0.001

AN > REC,NP

EDI-2—body dissatisfaction (t-values)

61.8

12.9

50.3

9.5

46.6

8.0

F = 15.8; p < 0.001

AN > REC,NP

STAI—State-Score

38.8

6.7

35.7

5.3

32.8

4.8

F = 7.9; p = 0.001

AN > NP

STAI—Trait-Score

45.6

7.7

31.9

7.9

29.3

6.8

F = 38.3; p < .001

AN > REC,NP

BDI-II

22.4

10.2

6.5

6.2

2.3

2.7

F = 59.2; p < 0.001

AN > REC,NP

MWT-B

28.4

5.4

29.8

4.9

28.0

4.3

F = 0.7; p = 0.477

Calorie intake at breakfast

160.1

180.7

300.6

124.9

386.3

85.7

F = 19.0; p < 0.001

NP, REC > AN

Satiety

6.4

1.8

6.6

1.7

6.7

1.0

F = 0.221; p = 0.802

  1. AN anorexia nervosa, BDI-II Beck Depression Inventory II, BMI body mass index, EDE Eating Disorder Examination, EDI-2 Eating Disorder Inventory-2, NP non-patients, MWT-B multiple-choice vocabulary intelligence test (German: Mehrfachwahl-Wortschatz-Intelligenztest), REC recovered AN, SD standard deviation, STAI State-Trait Anxiety Inventory
  2. *p < 0.05 (cf [45])