Table 1.

Demographic, trauma history and pre-treatment PTSD symptom severity between the three treatment groups, d-cyloserine (DCS), alprazolam (ALP), and placebo (PBO). There were no differences in any variables. Abbreviations: CTQ = Childhood Trauma Questionnaire, DRRI = Deployment Risk and Resilience Inventory, CAPS = Clinician Administered PTSD Scale.

	DCS (n = 13)	ALP (n = 20)	PBO (n = 17)
Demographics
Sex (N, % male)	13 (100.0%)	19 (95.0%)	15 (88.2%)	p = 0.39
Age (M, SE)	36.15 (2.49)	37.5 (2.11)	34.73 (2.31)	p = 0.68
Childhood trauma
CTQ (M, SE)	36.54 (3.50)	36.39 (2.98)	39.20 (3.26)	p = 0.79
Combat trauma
DRRI (M, SE)	9.36 (0.89)	10.77 (0.75)	9.36 (0.83)	p = 0.36
PTSD symptoms
CAPS (M, SE)	92.77 (5.56)	90.89 (4.72)	86.73 (5.17)	p = 0.71