Effects of driving simulator intervention on post-traumatic stress disorder symptoms after traffic accidents: A single-subject study

Table 1 Subject information

	Subject A	Subject B
Age (gender)	19 (F)	21 (F)
Age at the time of accident	8	9
Symptoms at the time of the accident	No memory; Even now, surprised at the crosswalk	Repeatedly sleeping and waking up; At first it was fine, but as time passed it hurts
Motivation for participation	She wants to know if her current fear of cars is due to an accident, she had as a child and, if so, if she can overcome it	She wants to get her driver's license but is worried that her trauma will affect her, so she wants to experience it first through a simulation

Table 2 Process

Target selection; PC-PTSD-5 > 2
↓
Pre-test; PCL-5-K
↓
Baseline (A); three sessions	-	Watch driving video + BTS-2000
Intervention (B); nine sessions	Driving simulator program
Baseline (A); three sessions	-
↓
Post-test; PCL-5-K

PC-PTSD-5: The Primary Care PTSD Screen for DSM-5; PCL-5-K: Korean Version of PTSD Checklist-5; BTS-2000: Brain Training System.

Table 3 Participant’s post-traumatic stress disorder checklist pre- and post-test results

Participant/Item	A		B
	Pre-test	Post-test	Pre-test	Post-test
Intrusion	0	0	7	3
Avoidance	0	0	6	2
Negative alterationin cognition and mood	8	2	1	0
Alterations in arousal and reactivity	9	4	8	1
Total	17	6	22	6