Table 1 Sample description and comparison between groups in orexin levels, body composition and neuropsychological performance.

From: Reduced Plasma Orexin-A Concentrations are Associated with Cognitive Deficits in Anorexia Nervosa

 

Anorexia (n = 51)

Control (n = 51)

  

Mean

SD

Mean

SD

p

|d|

Age (years)

27.43

8.65

26.75

7.32

0.666

0.09

EDI-2 total score

78.78

43.72

22.59

16.91

0.001*

1.70

SCL-90-R GSI

1.48

0.74

0.56

0.39

0.001*

1.56

Plasma orexin-A levels (pg/ml)

2.43

0.82

2.99

0.67

0.001*

0.75

BMI (kg/m2)

17.11

1.27

21.37

1.81

0.001*

2.73

Body fat mass (%)

6.37

3.11

15.32

4.42

0.001*

2.34

1IGT Block 1 (raw score)

−1.95

4.20

−2.44

7.48

0.714

0.08

1IGT Block 2 (raw score)

−0.77

4.41

5.69

8.35

0.001*

0.97

1IGT Block 3 (raw score)

−0.20

5.36

7.01

8.48

0.001*

1.02

1IGT Block 5 (raw score)

0.42

6.69

9.30

9.28

0.001*

1.10

1IGT Block 6 (raw score)

0.79

9.26

6.80

10.61

0.007*

0.60

1IGT Total (raw score)

−1.71

21.06

26.36

27.82

0.001*

1.14

1WCST Trials (raw score)

92.51

18.05

86.96

16.32

0.182

0.32

1WCST Correct (raw score)

65.67

12.39

66.98

6.92

0.547

0.13

1WCST Errors (raw score)

26.91

17.19

19.99

17.52

0.152

0.40

1WCST perseverative errors (raw score)

13.57

9.87

9.53

5.22

0.045*

0.51

1WCST non-perseverative errors (raw score)

13.33

16.99

10.46

11.41

0.350

0.20

1WCST conceptual (raw score)

57.90

18.90

61.76

11.33

0.250

0.25

  1. Note. 1Results adjusted for age and education level. SD: standard deviation.
  2. *Bold: significance (0.05 level). Effect size in the moderate (|d| > 0.50) to high range (|d| > 0.80).
  3. p-value includes Finner’s correction for multiple statistical comparisons.
  4. EDI-2: The Eating Disorder Inventory-2; SCL-90-R: The Symptom Checklist-revised; BMI: body mass index; IGT: Iowa Gambling Task; WCST: Wisconsin Card Sorting Test.