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Table 2 Results of the studies of exposure versus cognitive therapy in PTSD, mean PTSD rating scales' scores

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

Terrier 1999

CAPS

76.93 (15.4)

71.76 (19.59)

50.82 (23.99)

48.24 (30.25)

52

52.48 (24.09)

45.16 (28.26)

Marks 1998 (reported in Lovell et al 2001)

CAPS

74.7 (18.1)

61.9 (15.7)

39.5 (23.7)

31.5 (30.7)

26

29.4 (18.7)

14.3 (16.2)

Resick 2008

CAPS

73.87 (21.04)

70.38 18.65

31.32 (37.00)

44.76 31.55

26

31.03 (27.57)

35.90 (27.09)

Foa 1991

PTSD severity

24.3 (6.1)

25.01 (4.64)

9.89 (4.2)

13.56 (10)

12

12.33 (9.59)

10.44 (8.22)

Foa 1999

PSS-I

29.42 (8.69)

29.48 (9.94)

12.89 (8.96)

11.7 (7.32)

52

12.64 (14.71)

10.69 (8.96)

  1. Note. CT = Cognitive Therapy; E = Exposure; CAPS = Clinician Administered PTSD scale; PSS-I = PTSD Symptom Scale - Interview