Table 5.

Spearman’s rho correlation coefficients for PCL (and subclusters) by ERP, and Cumulative Trauma Type at pre- and post-deployment.

	Overall	Re-experiencing	Avoidance	Arousal
Pre-deployment
N2 amplitude	0.13	0.09	0.60	0.18*
N2 latency	0.08	0.00	0.03	0.06
P3 amplitude	0.10	0.05	0.07	0.13
P3 latency	− 0.02	0.02	− 0.02	− 0.07
Interpersonal CTT	0.26*	0.30***	0.22	0.20
Non-interpersonal CTT	0.12	0.19	0.06	0.07
Post-deployment
N2 amplitude	0.10	0.13	0.09	0.06
N2 latency	0.00	0.02	0.06	− 0.04
P3 amplitude	0.00	0.08	− 0.06	0.02
P3 latency	− 0.04	− 0.07	− 0.06	0.01
Interpersonal CTT	0.20	0.13	0.11	0.18
Non-interpersonal CTT	0.17	0.08	0.11	0.17

CTT Cumulative Trauma Types, N2 is negative ERP component so smaller magnitude is associated with increasing N2 amplitude. P-values are Bonferroni adjusted.

***p < 0.001; **p < 0.01; *p < 0.05.