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. Author manuscript; available in PMC: 2013 Jul 1.
Published in final edited form as: Gen Hosp Psychiatry. 2012 Mar 27;34(4):332–338. doi: 10.1016/j.genhosppsych.2012.02.003

Table 2.

Effect size (Cohen's d) for change from baseline to each follow-up using the PCL versions

Baseline-6 months Baseline-12 months
Intervention Usual Care Intervention Usual Care
PCL .96 .70 1.05 .67
PCL-6 1.01 .62 .96 .67
PCL-2 .93 .62 .91 .55