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Table 2 Paired T-tests of Pre- and Post-Treatment Scores for Treatment Completers

From: Evaluating patterns and predictors of symptom change during a three-week intensive outpatient treatment for veterans with PTSD

Variable

Total Sample

Combat Cohorts

MST Cohorts

n

Pre-tx M (SD)

Post-tx M (SD)

d

n

Pre-tx M (SD)

Post-tx M (SD)

d

n

Pre-tx M (SD)

Post-tx M (SD)

d

PCL-5 month

176

57.13 (11.34)

39.78 (18.04)

1.12***

112

57.23 (10.69)

36.94 (17.23)

1.40***

64

56.94 (12.49)

44.77 (18.49)

0.74***

PCL-5 week

157

55.89 (11.67)

33.32 (18.48)

1.40***

104

55.39 (11.25)

29.60 (16.35)

1.81***

53

56.85 (12.51)

40.62 (20.30)

0.88***

PHQ-9

176

17.79 (4.88)

12.05 (5.99)

1.04***

112

17.71 (4.59)

11.03 (5.55)

1.31***

64

17.92 (5.39)

13.83 (6.34)

0.69***

PTCI

176

146.77 (36.05)

115.41 (46.47)

0.75***

112

142.65 (33.25)

109.81 (43.13)

0.85***

64

153.97 (39.74)

125.20 (50.66)

0.62***

  1. Note. Pre-tx = Pre-treatment; Post-tx = Post-treatment. PCL-5 month = PTSD Checklist for DSM-5 scores evaluated for the past month. PCL-5 week = PTSD Checklist for DSM-5 scores evaluated for the past week. PHQ-9 = Patient Health Questionnaire – 9. PTCI = Posttraumatic Cognitions Inventory
  2. ***p < .001