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. Author manuscript; available in PMC: 2023 Oct 23.
Published in final edited form as: J Psychiatr Res. 2017 Apr 7;92:55–63. doi: 10.1016/j.jpsychires.2017.04.002

Table 3.

Results from Linear Regression Analyses assessing the relation between specific PTSS clusters and ERPs

B t-score R (ΔR2) p
Impact of PTSS on ERN
Step 1 0.20 (0.04) 0.42
 Sex 0.16 0.10 0.32
 Primary Diagnosis 0.39 0.17 0.27
Step 2 0.48 (0.19) 0.06
 Re-experiencing (Cluster B) 0.08 0.42 0.67
 Avoidance (Cluster C) 0.37 1.98 0.06
 Negative Mood/Cognition (Cluster D) −0.18 −0.91 0.37
Hyperarousal (Cluster E) *−0.41 2.26 0.03
Impact of PTSS on RewP
Step 1 0.18 (0.03) 0.51
 Sex −0.02 −0.15 0.88
 Primary Diagnosis −0.18 −1.14 0.26
Step 2 0.55 (0.27) 0.01
 Re-experiencing (Cluster B) 0.04 0.21 0.84
 Avoidance (Cluster C) −0.12 −0.65 0.52
 Negative Mood/Cognition (Cluster D) *−0.53 −2.68 0.01
 Hyperarousal (Cluster E) *.56 3.32 0.00

Note. PTSS = Posttraumatic Stress Symptoms; ERN = Error-related negativity; RewP = Reward Positivity.

*

p < 0.05.