Table 1.

Demographic and clinical characteristics of participants ^a

Variables	PTSD	HC	p value
Sample size	33	53	–
Age (years) b	14.3 ± 3.3	15.0 ± 2.3	p = 0.235 c
Age at trauma (years) b	12.3 ± 1.8	13.9 ± 2.3	p = 0.554 c
Gender (male/female)	13/20	26/27	p = 0.381 d
Handedness (right/left)	33/0	53/0	–
Education (years)	8.8 ± 2.9	9.5 ± 2.4	p = 0.138 c
Time since trauma (months) b	10.5 ± 1.5	13.3 ± 1.4	p < 0.001 c
PCL	55.7 ± 5.8	23.8 ± 2.9	p < 0.001 c
CAPS	65.5 ± 6.6	–	–

^aData are presented as mean ± standard deviation

^bAge defined at the time of MRI scanning

^cp by two-tailed two-sample t test

^dp by two-tailed Pearson Chi-square test

Abbreviations: PTSD posttraumatic stress disorder, HC healthy control, PCL PTSD checklist, CAPS clinician-administered PTSD scale