Table 2.

Relationship between PSQI-AFV items, clinical symptoms and probable PTSD status among 73 trauma-exposed treatment-seeking adult patients

	Probable PTSD group (n=57)	No-PTSD group (n=16)		Total sample (N=73)
	M (SD)	M (SD)	p*	Total PSQI-A score ρ**	p**
IES-R	62.25 (11.82)	21.06 (12.62)	<0.0001	0.60	<0.0001
IES-R (without 3 items related to sleep)	–	–	–	0.58	<0.0001
HADS-A	15.51 (3.29)	10.44 (3.69)	<0.0001	0.48	<0.0001
HADS-D	11.68 (4.02)	8.50 (5.09)	0.02	0.04	0.71
Total PSQI score	15.02 (3.36)	9.44 (4.10)	<0.0001	0.55	<0.0001
Total PSQI-A score	11.77 (4.65)	6.57 (3.37)	0.0001	–	–
Hot flashes	1.38 (1.32)	0.75 (0.86)	0.09	0.57	<0.0001
General nervousness	2.47 (0.85)	1.26 (0.89)	0.0006	0.52	<0.0001
Memories/nightmares of trauma	2.14 (1.06)	1.31 (1.13)	0.009	0.60	<0.0001
Anxiety/panic not related to trauma	1.79 (1.19)	0.81 (0.99)	0.004	0.67	<0.0001
Bad dreams not related to trauma	1.44 (1.13)	1.06 (1.18)	0.22	0.57	<0.0001
Episodes of terror	1.21 (1.17)	0.44 (0.73)	0.01	0.68	<0.0001
Acting out dreams	1.33 (1.23)	0.56 (0.96)	0.02	0.63	<0.0001

Note. PSQI: Pittsburgh Sleep Quality Index; PSQI-A: Pittsburgh Sleep Quality Index-Addendum; HADS-A: Anxiety state-Hospital Anxiety and Depression Scale; Depression state- HADS-D: Anxiety state-Hospital Anxiety and Depression Scale; IES-R: Impact Event Scale-Revised, without 3 items related to sleep: item 2: waking at night; item 15: trouble falling asleep; item 20: nightmares.

^*Mann–Whitney tests;

^**Spearman's ρ test correlations.