Table 1.

Description of the PTSD and HC groups

Descriptor	Posttraumatic Stress Disorder Group (N=20)		Healthy Control Group (N=20)		PTSD vs HC
	N	%	N	%	p,effect size⁷
Female / Male	18 F / 2 M	90 / 10	18 F/2 M	90/ 10	equal
Race: White	10	50	15	75	Chi² =2.67, p=.19
Black	1	5	1	5	Equal
Native American	2	10	2	10	Equal
Asian	1	5	4	20	Chi²=2.1,p=.34
Multiracial	4	20	4	20	Equal
Hispanic Ethnicity	10	50	1	5	Chi²=10.2,p=.003*
Current Psychotropic Meds	None	None	None	None	N/A
Comorbid Diagnoses @ BL
Major Depressive Disorder	10	50
Generalized Anxiety Disorder	7	35
Panic Disorder	4	20	None	None	N/A
Obsessive Compulsive DO	2	10
Other²	2	10
	Mean (SD)	Range	Mean (SD)	Range	p,effect size⁷
Age at Pre-Treatment (years)	15.3 (1.9)	10.4–17.7	14.5 (2)	11.2–17.5	p=.18, e.s.=.05
Estimate of IQ¹	110 (9.6)	93–126	113 (11)	86–130	p=.39, e.s.=.02
PTSD³ at Baseline	39.1 (10.6)	24–58	N/A	N/A	N/A
PTSD³ at End of Study	22.9 (9.5)	5–41	N/A	N/A	N/A
PTSD³BL vs EOS	PTSD group: F (1,19)= 37; p=.0001, e.s.=.94
Dissociative⁴ at Baseline	2.8 (1.7)	0.1–5.2	0.6 (0.7)	0–3.3	P=.0001;e.s.=.71
Dissociative⁴ at End of Study	1.8 (1.3)	0.3–5.6	0.5 (0.5)	0–1.8	P=.0001,e.s.=.64
Dissociative⁴ BL vs EOS	PTSD group: F (1,19)= 18.3, p=.0001, e.s.=.49; HC group: F < 1, p=.53, e.s.=.022
Depression⁵ at Baseline	23.6 (9.0)	6–38	3.5 (3.6)	0–13	P=.0001; e.s.=.86
Depression⁵ at End of Study	13.7 (8.9)	0–31	3.4 (3.0)	0–12	P=.0001, e.s.=.70
Depression⁵ BL vs EOS	PTSD group: F (1,19)= 20.1, p=.0001, e.s.=.51; HC group: F < 1, p=.87, e.s.=.001
Externalizing⁶at Baseline	54.8 (9.4)	39–69	39.2 (7.4)	32–54	P=.0001, e.s.=.48
Externalizing⁶ at End of Study	50.9 (7.4)	39–63	38.9 (6.7)	32–52	P=.0001, e.s.=.43
Internalizing⁶ at Baseline	64.4 (8.1)	48–78	42.1 (9.3)	31–61	P=.0001, e.s.=.63
Internalizing⁶ at End of Study	55.4 (10.0)	31–73	45.6 (7.6)	31–59	P=.001, e.s.=.24

IQ: Wechsler Abbreviated Scale of Intelligence (WASI);

Anorexia Nervosa, Oppositional Defiant Disorder;

UCLA PTSD Reaction Index for DSM-IV;

⁴

A-DES (Adolescent Dissociative Experiences Scale);

⁵

CDI (Children’s Depression Inventory instrument);

⁶

Child Behavior Checklist (CBCL);

⁷

partial eta squared