Table 4

Comparison of effect sizes by group CBT

Completers analyses

ITT


Study

Heimberg (1998)

Stangier (2003)

Present study

Mörtberg (2007)

Present study

Group

12 weeks

15 weeks

16 weeks

3 weeks

16 weeks

N

36

26

57

35

57

Drop out (%)

22.2

15.4

12.3

25.7

12.3


Pre

Post

ES

Pre

Post

ES

Pre

Post

ES

Pre

Post

ES

Pre

Post

ES






LSAS total

59.0

46.2

0.97

77.2

58.5

0.71

68.1

52.5

0.75

76.2

59.6

0.65

SD

13.2

8.9

26.1

27.8

20.9

19.4

25.6

27.3

Social fear

15.1

12.0

0.44

20.1

17.3

0.41

20.0

17.5

0.37

SD

7.0

4.9

6.8

7.2

6.9

7.2

Social avoidance

13.1

9.9

0.42

18.4

14.2

0.53

18.1

14.3

0.47

SD

7.7

4.8

7.8

8.5

7.9

8.5

Performance fear

17.0

13.4

0.65

20.9

15.9

0.83

20.8

16.3

0.78

SD

5.6

3.8

6.1

7.2

5.8

6.9

Performance avoidance

13.8

10.9

0.47

17.2

11.1

0.80

17.3

11.5

0.71

SD

6.0

4.3

8.3

8.0

8.2

7.9

FQ-spa

19.0

14.7

0.60

24.2

16.9

1.19

20.7

15.5

0.78

24.0

17.8

1.01

SD

7.2

4.0

6.2

8.1

6.7

7.1

6.2

7.8

SPS

27.3

25.8

0.09

33.6

25.5

0.53

36.7

24.0

0.83

36.5

27.7

0.64

36.2

24.7

0.75

SD

17.0

10.0

15.3

15.3

15.4

15.3

13.8

11.5

15.4

15.2

SIAS

41.8

39.4

0.13

45.8

38.4

0.53

54.9

41.8

0.89

44.5

36.7

0.48

54.8

43.0

0.79

SD

18.4

13.2

14.0

12.4

14.8

15.6

16.1

14.7

15.0

16.0

FNE

22.3

21.4

0.12

24.3

20.8

0.68

22.5

21.5

0.15

24.6

22.1

0.49

SD

7.6

4.3

5.2

6.5

6.5

7.2

5.1

6.5


FQ-spa: Fear Questionnaire Social Phobia Subscale

Chen et al. BMC Psychiatry 2007 7:69   doi:10.1186/1471-244X-7-69

Open Data