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. Author manuscript; available in PMC: 2009 Sep 14.
Published in final edited form as: Adm Policy Ment Health. 2007 Nov 13;35(3):147–158. doi: 10.1007/s10488-007-0150-y

Fig. 2.

Fig. 2

Propensity-weighted PTSD symptom change by cluster and study condition. Cluster 1 = Low symptom group; Cluster 2 = Substance abuse group; Cluster 3 = PTSD/Alcohol group; Cluster 4 = PTSD/Drug group; Cluster 5 = Severe comorbid group; Cluster 6 = PTSD group. * Higher scores correspond to greater improvement