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Table 1 Results of the studies of exposure versus cognitive therapy in OCD, Y-BOCS total score

From: Efficacy of exposure versus cognitive therapy in anxiety disorders: systematic review and meta-analysis

Study

Main OM

Pre-treatment

End of Treatment

Longest follow up

Longest follow up

  

CT

E

CT

E

(weeks)

CT

E

Van Balkom 1998

Y-BOCS

25.0(6.6)

24.7 (7.7)

13.5 (9.7)

17.1 (8.4)

26

11.0 (7.5)

11.1 (7.1)

Van Oppen 1995

Y-BOCS

24.1 (5.5)

25.4 (7.0)

13.3 (8.5)

17.3 (8.3)

NA

NA

NA

Cottraux 2001

Y-BOCS

28.6 (5.1)

28.5 (4.9)

12.5 (8.2)

12.1 (7.8)

52

13.6 (8.8)

17.4 (8.5)

McLean 2001

Y-BOCS

21.9 (5.8)

21.8 (4.6)

16.1 (6.7)

13.2 (7.2)

104

17.3 (8.4)

12.8 (7.2)

Whittal 2005

Y-BOCS

23.50 (4.3)

21.66 (5.9)

10.6 (7.1)

10.4 (7.6)

104

10.3 (6.2)

11.2 (8.8)

  1. Note. CT = Cognitive Therapy; E = Exposure; Y-BOCS = Yale-Brown Obsessive Compulsive Scale