Table 2 Differences between PTSD children in intervention and control group according to oral (PI, GI) and mental (CPQ11-14, CPTSD-RI) health variables pre and post program

From: A short-term approach for promoting oral health of internally displaced children with PTSD: the key is improving mental health—results from a quasi-randomized trial

Variable Intervention Control Differences**
mean SD P value* mean SD P value*
PI Pre 2.15 0.64 0.000 1.97 0.53 0.035 0.114
Post 1.52 0.55 1.89 0.39 0.000**
GI Pre 2.13 0.45 0.000 2.14 0.50 0.873 0.927
Post 1.48 0.56 2.14 0.32 0.000**
CPQ11-14 Pre 74.80 15.97 0.000 75.29 12.30 0.175 0.852
Post 47.16 12.24 72.65 14.47 0.000**
CPTSD-RI Pre 45.66 14.86 0.000 45.81 13.94 0.075 0.957
Post 34.41 12.23 47.91 14.24 0.000**
  1. PI, Plaque Index; GI, Gingival Index; CPQ11-14, Child Perception Questionnaire age between 11 and14; CPTSD-RI, Child Posttraumatic Stress Reaction Index; SD, Standard Deviation
  2. *Wilcoxon Signed Ranks Test
  3. **Independent samples t-test