. Author manuscript; available in PMC: 2011 Jul 1.

Published in final edited form as: Psychoneuroendocrinology. 2009 Dec 29;35(6):846–857. doi: 10.1016/j.psyneuen.2009.11.009

Table 3.

Correlations between HPA variables and fear-potentiated startle variables (square root) in PTSD and Non-PTSD subjects.

	Baseline Cortisol (g/L)	Baseline ACTH (pg/L)	Post-DEX Cortisol (g/L)	Post-DEX ACTH (pg/L)	Change Score Cortisol (g/L)	Change Score ACTH (pg/L)
Startle to AX
PTSD	−0.49	0.71^**	−0.28	0.67^**	−0.41	0.17
NON-PTSD	−0.04	0.10	−0.12	0.11	0.05	−0.03
Startle to BX
PTSD	−0.17	0.53^*	−0.17	0.79^**	0.13	−0.22
NON-PTSD	−0.04	−0.13	0.05	0.00	−0.07	−0.20
Startle to AB
PTSD	−0.52	0.66^**	−0.35	0.52^*	−0.44	0.27
NON-PTSD	0.09	0.07	0.03	−0.20	0.05	0.39

p=0.01;

^**

p<0.005