Table 4.

Rates of PTSD symptom cluster endorsement and caseness by diagnostic system

	Re-experiencing	Avoidance	Arousal/Sense of Threat	Negative cognition and mood	PTSD
DSM-5	90.09	70.27	88.29	87.39	65.77
ICD-11	84.68	79.28	86.49	–	62.16
Difference	0.06n.s	− 0.13n.s	0.02n.s	–	0.05n.s
% Agreement	87.39	71.17	87.39	–	65.77
Gwet’s AC1	0.84**	0.54**	0.84**	–	0.36**

Difference = Difference in rates per cluster

^n.s.not statistically significant

**p < 0.01