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. 2011 May 17;11:86. doi: 10.1186/1471-244X-11-86

Table 3.

Effect sizes and changes in clinical outcome from baseline to final visit (N = 27)

Intake (t1) 3-month follow-up (t4)
Mean (SD) Median (range) Mean (SD) Median (range) Effect size

BDI Total 30.44 (7.85) 29 (14 - 44) 20.67 (10.05) 19 (3-43) 1.09

PCL Total 56.11 (12.66) 55 (34-87) 46.85 (13.53) 46 (23-67) 0.90

PCL Reexperiencing 15.00 (4.42) 15 (7-25) 12.61 (4.72) 12 (5-22) 0.57

PCL Avoidance 23.40 (5.22) 23 (14-34) 21.05 (6.02) 21 (10-31) 0.38

PCL Hyperarousal 16.04 (4.02) 16 (10-22) 13.96 (4.32) 14 (5-21) 0.48

BDI: Beck Depression Inventory

PCL: PTSD Checklist

Cohen's d was calculated for effect size