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Table 1 Change in outcomes for ITT and completer samples during 8-weeks of lisdexamfetamine dimesylate treatment

From: Secondary outcomes and qualitative findings of an open-label feasibility trial of lisdexamfetamine dimesylate for adults with bulimia nervosa

Measure

Intent-to-treat sample (n = 23)

Study completers (n = 19)

Baseline

Post or LOCF

Cohen’s d

Baseline

Post

Cohen’s d

M

SD

M

SD

 

M

SD

M

SD

Hunger and cognitive restraint

 TFEQ restraint

12.52

5.26

10.57

4.99

0.38

12.47

5.33

9.68

4.57

0.56

 TFEQ hunger

8.22

3.81

3.96

3.69

1.14

8.00

3.87

3.42

3.72

1.21

Impulsivity

 TFEQ disinhibition

12.74

2.49

6.26

4.27

1.85

12.74

2.57

5.16

3.67

2.31

 BIS-11 total

65.26

8.80

63.87

11.61

0.13

65.11

7.89

62.84

11.12

0.24

 BIS-11 attention

17.83

4.42

17.48

4.61

0.08

17.58

4.44

17.12

4.40

0.10

 BIS-11 motor

23.04

3.87

22.52

4.09

0.13

23.00

3.51

22.16

4.03

0.22

 BIS-11 NP

24.39

3.86

23.87

4.66

0.12

24.53

3.64

23.58

4.39

0.24

Obsessive compulsive features

 YBOCS-BE total

22.30

3.42

5.83

4.33

4.22

22.63

2.99

4.89

3.60

5.36

 YBOCS-BE (O)

10.97

1.62

3.52

2.78

3.27

11.00

1.41

2.68

2.06

4.71

 YBOCS-BE (C)

11.39

2.04

2.65

2.23

4.09

11.63

1.86

2.21

1.99

4.89

Eating disorder psychopathology and impairment

 EDE restraint

1.76

1.41

0.97

1.27

0.59

1.53

1.38

0.58

0.91

0.81

 EDE eating concern

2.23

1.28

1.03

1.26

0.94

2.01

1.25

0.57

0.68

1.43

 EDE shape concern

3.48

1.66

2.06

1.67

0.85

3.19

1.67

1.47

1.09

1.22

 EDE weight concern

2.79

1.56

1.63

1.40

0.78

2.57

1.61

1.16

0.99

1.06

 EDE global score

2.56

1.29

1.42

1.27

0.89

2.32

1.26

0.94

0.69

1.36

 CIA

32.42

8.04

13.04

12.17

1.88

31.72

7.76

9.00

8.15

2.86

  1. Cohen’s d reflects differences between baseline and post or LOCF measurements
  2. TFEQ   Three factor eating questionnaire, YBOCS-BE Yale Brown obsessive compulsive scale (modified for binge eating), O obsessions, C  compulsions), BIS-11 Barratt impulsiveness scale, NP non-planning, EDE eating disorder examination, CIA clinical impairment assessment