Table 1.

Frequency of Symptom Endorsement according to DSM-IV and DSM-5 symptoms of PTSD (rated ≥1 at the PSS-I, Foa & Tolin, 2000)

DSM-IV items	%	n	DSM-5 items	%	n
Reexperiencing (B)			Reexperiencing (B)
B1: Intrusions	83.2	79	B1: Intrusions	83.2	79
B2: Nightmares	53.7	51	B2: Nightmares	53.7	51
B3: Flashbacks	65.3	62	B3: Flashbacks	65.3	62
B4: Emotional Reactivity	77.9	74	B4: Emotional Reactivity	77.9	74
B5: Physical Reactivity	76.8	73	B5: Physical Reactivity	76.8	73
Avoidance (C)			Avoidance (C)
C1: Avoid thoughts/feelings	65.3	62	C1: Avoid thoughts/feelings	65.3	62
C2: Avoid places/activities	61.1	58	C2: Avoid places/activities/objects/situations/conversationa	69.5	66
C3: Amnesia	14.7	14	Negative alterations in mood/cognitions (D)
C4: Loss of interest	44.2	42	D1: Amnesia	14.7	14
C5: Social detachment	33.7	32	D2: Negative beliefsa	51.6	49
C6: Psychological numbing	23.2	22	D3: Distorted blamea	66.3	63
C7: Foreshortened future	56.8	54	D4: Negative emotional statea	53.7	51
			D5: Loss of interest	44.2	42
			D6: Social detachment	33.7	32
			D7: Low positive emotionsa	21.1	20
Hyperarousal (D)			Hyperarousal (E)
D1: Difficulty sleeping	62.1	59	E1: Aggression/irritability/angera	27.4	26
D2: Irritability/anger outbursts	41.1	39	E2: Reckless/self-destructivea	22.1	21
D3: Difficulty concentrating	67.4	64	E3: Hypervigilance	37.9	36
D4: Hypervigilance	37.9	36	E4: Exaggerated startle response	38.9	37
D5: Exaggerated startle response	38.9	37	E5: Difficulty concentrating	67.4	64
			E6: Difficulty sleeping	62.1	59

^aSymptoms not included in the DSM-IV.