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Table 4 Number and severity of symptoms for the 3 clusters – Median-split

From: Posttraumatic stress disorder: An exploratory study examining rates of trauma and PTSD and its effect on client outcomes in community mental health

CLUSTER ITEM NUMBER IN MEAN SD P*
   Lower 50% Upper 50%    
  PTSD      
Re-experiencing (B)       
Number of symptoms Md: ≤ 3 Yes 2 7 3.67 1.41  
  No 6 5 2.18 1.94 0.072
Severity score Md: 4.5 Yes 3 6 7.11 4.43  
  No 7 4 3.36 3.04 0.038
Avoidance (C)       
Number of symptoms Md: 3.5 Yes 2 7 5.11 1.36  
  No 8 3 3.00 2.10 0.018
Severity score Md: 6.5 Yes 3 6 10.78 5.43  
  No 7 4 4.82 4.19 0.013
Hyper-arousal (D)       
Number of symptoms Md: ≤ 3 Yes 5 4 3.78 1.20  
  No 8 3 2.27 1.74 0.041
Severity score Md: 4.0 Yes 4 5 7.78 4.66  
  No 6 5 4.60 3.66 0.115
Total number of symptoms endorsed Md: <14.5 Yes 2 7 12.67 3.39  
  No 8 3 7.18 5.72 0.021
Total symptom severity score Md: 9.5 Yes 3 6 25.67 13.77  
  No 7 4 12.36 9.60 0.020
  1. * Derived from ANOVA analysis