Table 2.

Differences between PTSD children in intervention and control group according to oral (PI, GI) and mental (CPQ_11-14, CPTSD-RI) health variables pre and post program

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**

PI, Plaque Index; GI, Gingival Index; CPQ_11-14, Child Perception Questionnaire age between 11 and14; CPTSD-RI, Child Posttraumatic Stress Reaction Index; SD, Standard Deviation

*Wilcoxon Signed Ranks Test

**Independent samples t-test