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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